20781281092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3719}}^1\times {\mathrm{9769}}^1$

素因数の和:13516

約数の個数: 48

約数和(自身を含む): 42741014400

約数和(自身を除く): 21959733308

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 3719, 7438, 9769, 14876, 19538, 39076, 40909, 48347, 81818, 96694, 107459, 126997, 163636, 193388, 214918, 253994, 429836, 507988, 531817, 1063634, 1396967, 2127268, 2793934, 5587868, 36330911, 72661822, 145323644, 399640021, 472301843, 799280042, 944603686, 1598560084, 1889207372, 5195320273, 10390640546, 20781281092]

約数ペア:

[(1, 20781281092), (2, 10390640546), (4, 5195320273), (11, 1889207372), (13, 1598560084), (22, 944603686), (26, 799280042), (44, 472301843), (52, 399640021), (143, 145323644), (286, 72661822), (572, 36330911), (3719, 5587868), (7438, 2793934), (9769, 2127268), (14876, 1396967), (19538, 1063634), (39076, 531817), (40909, 507988), (48347, 429836), (81818, 253994), (96694, 214918), (107459, 193388), (126997, 163636)]