20921897568

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{13487}}^1$

素因数の和:13637

約数の個数: 192

約数和(自身を含む): 65097188352

約数和(自身を除く): 44175290784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 113, 132, 143, 156, 176, 208, 226, 264, 286, 312, 339, 352, 416, 429, 452, 528, 572, 624, 678, 858, 904, 1056, 1144, 1243, 1248, 1356, 1469, 1716, 1808, 2288, 2486, 2712, 2938, 3432, 3616, 3729, 4407, 4576, 4972, 5424, 5876, 6864, 7458, 8814, 9944, 10848, 11752, 13487, 13728, 14916, 16159, 17628, 19888, 23504, 26974, 29832, 32318, 35256, 39776, 40461, 47008, 48477, 53948, 59664, 64636, 70512, 80922, 96954, 107896, 119328, 129272, 141024, 148357, 161844, 175331, 193908, 215792, 258544, 296714, 323688, 350662, 387816, 431584, 445071, 517088, 525993, 593428, 647376, 701324, 775632, 890142, 1051986, 1186856, 1294752, 1402648, 1524031, 1551264, 1780284, 1928641, 2103972, 2373712, 2805296, 3048062, 3560568, 3857282, 4207944, 4572093, 4747424, 5610592, 5785923, 6096124, 7121136, 7714564, 8415888, 9144186, 11571846, 12192248, 14242272, 15429128, 16764341, 16831776, 18288372, 19812403, 23143692, 24384496, 30858256, 33528682, 36576744, 39624806, 46287384, 48768992, 50293023, 59437209, 61716512, 67057364, 73153488, 79249612, 92574768, 100586046, 118874418, 134114728, 146306976, 158499224, 185149536, 201172092, 217936433, 237748836, 268229456, 316998448, 402344184, 435872866, 475497672, 536458912, 633996896, 653809299, 804688368, 871745732, 950995344, 1307618598, 1609376736, 1743491464, 1901990688, 2615237196, 3486982928, 5230474392, 6973965856, 10460948784, 20921897568]

約数ペア:

[(1, 20921897568), (2, 10460948784), (3, 6973965856), (4, 5230474392), (6, 3486982928), (8, 2615237196), (11, 1901990688), (12, 1743491464), (13, 1609376736), (16, 1307618598), (22, 950995344), (24, 871745732), (26, 804688368), (32, 653809299), (33, 633996896), (39, 536458912), (44, 475497672), (48, 435872866), (52, 402344184), (66, 316998448), (78, 268229456), (88, 237748836), (96, 217936433), (104, 201172092), (113, 185149536), (132, 158499224), (143, 146306976), (156, 134114728), (176, 118874418), (208, 100586046), (226, 92574768), (264, 79249612), (286, 73153488), (312, 67057364), (339, 61716512), (352, 59437209), (416, 50293023), (429, 48768992), (452, 46287384), (528, 39624806), (572, 36576744), (624, 33528682), (678, 30858256), (858, 24384496), (904, 23143692), (1056, 19812403), (1144, 18288372), (1243, 16831776), (1248, 16764341), (1356, 15429128), (1469, 14242272), (1716, 12192248), (1808, 11571846), (2288, 9144186), (2486, 8415888), (2712, 7714564), (2938, 7121136), (3432, 6096124), (3616, 5785923), (3729, 5610592), (4407, 4747424), (4576, 4572093), (4972, 4207944), (5424, 3857282), (5876, 3560568), (6864, 3048062), (7458, 2805296), (8814, 2373712), (9944, 2103972), (10848, 1928641), (11752, 1780284), (13487, 1551264), (13728, 1524031), (14916, 1402648), (16159, 1294752), (17628, 1186856), (19888, 1051986), (23504, 890142), (26974, 775632), (29832, 701324), (32318, 647376), (35256, 593428), (39776, 525993), (40461, 517088), (47008, 445071), (48477, 431584), (53948, 387816), (59664, 350662), (64636, 323688), (70512, 296714), (80922, 258544), (96954, 215792), (107896, 193908), (119328, 175331), (129272, 161844), (141024, 148357)]