20316487360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:931

約数の個数: 224

約数和(自身を含む): 54078054912

約数和(自身を除く): 33761567552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 257, 260, 310, 320, 403, 416, 496, 514, 520, 613, 620, 806, 832, 992, 1028, 1040, 1226, 1240, 1285, 1612, 1984, 2015, 2056, 2080, 2452, 2480, 2570, 3065, 3224, 3341, 4030, 4112, 4160, 4904, 4960, 5140, 6130, 6448, 6682, 7967, 7969, 8060, 8224, 9808, 9920, 10280, 12260, 12896, 13364, 15934, 15938, 16120, 16448, 16705, 19003, 19616, 20560, 24520, 25792, 26728, 31868, 31876, 32240, 33410, 38006, 39232, 39835, 39845, 41120, 49040, 53456, 63736, 63752, 64480, 66820, 76012, 79670, 79690, 82240, 95015, 98080, 103571, 106912, 127472, 127504, 128960, 133640, 152024, 157541, 159340, 159380, 190030, 196160, 207142, 213824, 247039, 254944, 255008, 267280, 304048, 315082, 318680, 318760, 380060, 414284, 494078, 509888, 510016, 517855, 534560, 608096, 630164, 637360, 637520, 760120, 787705, 828568, 988156, 1035710, 1069120, 1216192, 1235195, 1260328, 1274720, 1275040, 1520240, 1575410, 1657136, 1976312, 2048033, 2071420, 2470390, 2520656, 2549440, 2550080, 3040480, 3150820, 3314272, 3952624, 4096066, 4142840, 4883771, 4940780, 5041312, 6080960, 6301640, 6628544, 7905248, 8192132, 8285680, 9767542, 9881560, 10082624, 10240165, 12603280, 15810496, 16384264, 16571360, 19535084, 19763120, 20480330, 24418855, 25206560, 32768528, 33142720, 39070168, 39526240, 40960660, 48837710, 50413120, 63489023, 65537056, 78140336, 79052480, 81921320, 97675420, 126978046, 131074112, 156280672, 163842640, 195350840, 253956092, 312561344, 317445115, 327685280, 390701680, 507912184, 634890230, 655370560, 781403360, 1015824368, 1269780460, 1562806720, 2031648736, 2539560920, 4063297472, 5079121840, 10158243680, 20316487360]

約数ペア:

[(1, 20316487360), (2, 10158243680), (4, 5079121840), (5, 4063297472), (8, 2539560920), (10, 2031648736), (13, 1562806720), (16, 1269780460), (20, 1015824368), (26, 781403360), (31, 655370560), (32, 634890230), (40, 507912184), (52, 390701680), (62, 327685280), (64, 317445115), (65, 312561344), (80, 253956092), (104, 195350840), (124, 163842640), (130, 156280672), (155, 131074112), (160, 126978046), (208, 97675420), (248, 81921320), (257, 79052480), (260, 78140336), (310, 65537056), (320, 63489023), (403, 50413120), (416, 48837710), (496, 40960660), (514, 39526240), (520, 39070168), (613, 33142720), (620, 32768528), (806, 25206560), (832, 24418855), (992, 20480330), (1028, 19763120), (1040, 19535084), (1226, 16571360), (1240, 16384264), (1285, 15810496), (1612, 12603280), (1984, 10240165), (2015, 10082624), (2056, 9881560), (2080, 9767542), (2452, 8285680), (2480, 8192132), (2570, 7905248), (3065, 6628544), (3224, 6301640), (3341, 6080960), (4030, 5041312), (4112, 4940780), (4160, 4883771), (4904, 4142840), (4960, 4096066), (5140, 3952624), (6130, 3314272), (6448, 3150820), (6682, 3040480), (7967, 2550080), (7969, 2549440), (8060, 2520656), (8224, 2470390), (9808, 2071420), (9920, 2048033), (10280, 1976312), (12260, 1657136), (12896, 1575410), (13364, 1520240), (15934, 1275040), (15938, 1274720), (16120, 1260328), (16448, 1235195), (16705, 1216192), (19003, 1069120), (19616, 1035710), (20560, 988156), (24520, 828568), (25792, 787705), (26728, 760120), (31868, 637520), (31876, 637360), (32240, 630164), (33410, 608096), (38006, 534560), (39232, 517855), (39835, 510016), (39845, 509888), (41120, 494078), (49040, 414284), (53456, 380060), (63736, 318760), (63752, 318680), (64480, 315082), (66820, 304048), (76012, 267280), (79670, 255008), (79690, 254944), (82240, 247039), (95015, 213824), (98080, 207142), (103571, 196160), (106912, 190030), (127472, 159380), (127504, 159340), (128960, 157541), (133640, 152024)]