20061490280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{28181}}^1$

素因数の和:28279

約数の個数: 96

約数和(自身を含む): 49961613240

約数和(自身を除く): 29900122960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1369, 1480, 1924, 2405, 2738, 3848, 4810, 5476, 6845, 9620, 10952, 13690, 17797, 19240, 27380, 28181, 35594, 54760, 56362, 71188, 88985, 112724, 140905, 142376, 177970, 225448, 281810, 355940, 366353, 563620, 711880, 732706, 1042697, 1127240, 1465412, 1831765, 2085394, 2930824, 3663530, 4170788, 5213485, 7327060, 8341576, 10426970, 13555061, 14654120, 20853940, 27110122, 38579789, 41707880, 54220244, 67775305, 77159578, 108440488, 135550610, 154319156, 192898945, 271101220, 308638312, 385797890, 501537257, 542202440, 771595780, 1003074514, 1543191560, 2006149028, 2507686285, 4012298056, 5015372570, 10030745140, 20061490280]

約数ペア:

[(1, 20061490280), (2, 10030745140), (4, 5015372570), (5, 4012298056), (8, 2507686285), (10, 2006149028), (13, 1543191560), (20, 1003074514), (26, 771595780), (37, 542202440), (40, 501537257), (52, 385797890), (65, 308638312), (74, 271101220), (104, 192898945), (130, 154319156), (148, 135550610), (185, 108440488), (260, 77159578), (296, 67775305), (370, 54220244), (481, 41707880), (520, 38579789), (740, 27110122), (962, 20853940), (1369, 14654120), (1480, 13555061), (1924, 10426970), (2405, 8341576), (2738, 7327060), (3848, 5213485), (4810, 4170788), (5476, 3663530), (6845, 2930824), (9620, 2085394), (10952, 1831765), (13690, 1465412), (17797, 1127240), (19240, 1042697), (27380, 732706), (28181, 711880), (35594, 563620), (54760, 366353), (56362, 355940), (71188, 281810), (88985, 225448), (112724, 177970), (140905, 142376)]