20128435532

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{55763}}^1$

素因数の和:55910

約数の個数: 48

約数和(自身を含む): 37773195264

約数和(自身を除く): 17644759732

約数列:

[1, 2, 4, 31, 41, 62, 71, 82, 124, 142, 164, 284, 1271, 2201, 2542, 2911, 4402, 5084, 5822, 8804, 11644, 55763, 90241, 111526, 180482, 223052, 360964, 1728653, 2286283, 3457306, 3959173, 4572566, 6914612, 7918346, 9145132, 15836692, 70874773, 122734363, 141749546, 162326093, 245468726, 283499092, 324652186, 490937452, 649304372, 5032108883, 10064217766, 20128435532]

約数ペア:

[(1, 20128435532), (2, 10064217766), (4, 5032108883), (31, 649304372), (41, 490937452), (62, 324652186), (71, 283499092), (82, 245468726), (124, 162326093), (142, 141749546), (164, 122734363), (284, 70874773), (1271, 15836692), (2201, 9145132), (2542, 7918346), (2911, 6914612), (4402, 4572566), (5084, 3959173), (5822, 3457306), (8804, 2286283), (11644, 1728653), (55763, 360964), (90241, 223052), (111526, 180482)]