20218673560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1\times {\mathrm{26449}}^1$

素因数の和:27148

約数の個数: 64

約数和(自身を含む): 47133900000

約数和(自身を除く): 26915226440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 659, 1160, 1318, 2636, 3295, 5272, 6590, 13180, 19111, 26360, 26449, 38222, 52898, 76444, 95555, 105796, 132245, 152888, 191110, 211592, 264490, 382220, 528980, 764440, 767021, 1057960, 1534042, 3068084, 3835105, 6136168, 7670210, 15340420, 17429891, 30680840, 34859782, 69719564, 87149455, 139439128, 174298910, 348597820, 505466839, 697195640, 1010933678, 2021867356, 2527334195, 4043734712, 5054668390, 10109336780, 20218673560]

約数ペア:

[(1, 20218673560), (2, 10109336780), (4, 5054668390), (5, 4043734712), (8, 2527334195), (10, 2021867356), (20, 1010933678), (29, 697195640), (40, 505466839), (58, 348597820), (116, 174298910), (145, 139439128), (232, 87149455), (290, 69719564), (580, 34859782), (659, 30680840), (1160, 17429891), (1318, 15340420), (2636, 7670210), (3295, 6136168), (5272, 3835105), (6590, 3068084), (13180, 1534042), (19111, 1057960), (26360, 767021), (26449, 764440), (38222, 528980), (52898, 382220), (76444, 264490), (95555, 211592), (105796, 191110), (132245, 152888)]