20438367040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2731}}^1$

素因数の和:3025

約数の個数: 224

約数和(自身を含む): 60155230464

約数和(自身を除く): 39716863424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 257, 260, 280, 320, 364, 416, 448, 455, 514, 520, 560, 728, 832, 910, 1028, 1040, 1120, 1285, 1456, 1799, 1820, 2056, 2080, 2240, 2570, 2731, 2912, 3341, 3598, 3640, 4112, 4160, 5140, 5462, 5824, 6682, 7196, 7280, 8224, 8995, 10280, 10924, 13364, 13655, 14392, 14560, 16448, 16705, 17990, 19117, 20560, 21848, 23387, 26728, 27310, 28784, 29120, 33410, 35503, 35980, 38234, 41120, 43696, 46774, 53456, 54620, 57568, 66820, 71006, 71960, 76468, 82240, 87392, 93548, 95585, 106912, 109240, 115136, 116935, 133640, 142012, 143920, 152936, 174784, 177515, 187096, 191170, 213824, 218480, 233870, 248521, 267280, 284024, 287840, 305872, 355030, 374192, 382340, 436960, 467740, 497042, 534560, 568048, 575680, 611744, 701867, 710060, 748384, 764680, 873920, 935480, 994084, 1069120, 1136096, 1223488, 1242605, 1403734, 1420120, 1496768, 1529360, 1870960, 1988168, 2272192, 2485210, 2807468, 2840240, 3058720, 3509335, 3741920, 3976336, 4913069, 4970420, 5614936, 5680480, 6117440, 7018670, 7483840, 7952672, 9124271, 9826138, 9940840, 11229872, 11360960, 14037340, 15905344, 18248542, 19652276, 19881680, 22459744, 24565345, 28074680, 36497084, 39304552, 39763360, 44919488, 45621355, 49130690, 56149360, 63869897, 72994168, 78609104, 79526720, 91242710, 98261380, 112298720, 127739794, 145988336, 157218208, 182485420, 196522760, 224597440, 255479588, 291976672, 314436416, 319349485, 364970840, 393045520, 510959176, 583953344, 638698970, 729941680, 786091040, 1021918352, 1277397940, 1459883360, 1572182080, 2043836704, 2554795880, 2919766720, 4087673408, 5109591760, 10219183520, 20438367040]

約数ペア:

[(1, 20438367040), (2, 10219183520), (4, 5109591760), (5, 4087673408), (7, 2919766720), (8, 2554795880), (10, 2043836704), (13, 1572182080), (14, 1459883360), (16, 1277397940), (20, 1021918352), (26, 786091040), (28, 729941680), (32, 638698970), (35, 583953344), (40, 510959176), (52, 393045520), (56, 364970840), (64, 319349485), (65, 314436416), (70, 291976672), (80, 255479588), (91, 224597440), (104, 196522760), (112, 182485420), (130, 157218208), (140, 145988336), (160, 127739794), (182, 112298720), (208, 98261380), (224, 91242710), (257, 79526720), (260, 78609104), (280, 72994168), (320, 63869897), (364, 56149360), (416, 49130690), (448, 45621355), (455, 44919488), (514, 39763360), (520, 39304552), (560, 36497084), (728, 28074680), (832, 24565345), (910, 22459744), (1028, 19881680), (1040, 19652276), (1120, 18248542), (1285, 15905344), (1456, 14037340), (1799, 11360960), (1820, 11229872), (2056, 9940840), (2080, 9826138), (2240, 9124271), (2570, 7952672), (2731, 7483840), (2912, 7018670), (3341, 6117440), (3598, 5680480), (3640, 5614936), (4112, 4970420), (4160, 4913069), (5140, 3976336), (5462, 3741920), (5824, 3509335), (6682, 3058720), (7196, 2840240), (7280, 2807468), (8224, 2485210), (8995, 2272192), (10280, 1988168), (10924, 1870960), (13364, 1529360), (13655, 1496768), (14392, 1420120), (14560, 1403734), (16448, 1242605), (16705, 1223488), (17990, 1136096), (19117, 1069120), (20560, 994084), (21848, 935480), (23387, 873920), (26728, 764680), (27310, 748384), (28784, 710060), (29120, 701867), (33410, 611744), (35503, 575680), (35980, 568048), (38234, 534560), (41120, 497042), (43696, 467740), (46774, 436960), (53456, 382340), (54620, 374192), (57568, 355030), (66820, 305872), (71006, 287840), (71960, 284024), (76468, 267280), (82240, 248521), (87392, 233870), (93548, 218480), (95585, 213824), (106912, 191170), (109240, 187096), (115136, 177515), (116935, 174784), (133640, 152936), (142012, 143920)]