20996875790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{433}}^1\times {\mathrm{1151}}^1$

素因数の和:1985

約数の個数: 64

約数和(自身を含む): 41469345792

約数和(自身を除く): 20472470002

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 433, 766, 866, 1151, 1915, 2165, 2302, 3830, 4213, 4330, 4763, 5755, 8426, 9526, 11510, 12661, 21065, 23815, 25322, 42130, 47630, 63305, 126610, 165839, 331678, 440833, 498383, 829195, 881666, 996766, 1658390, 1824229, 2204165, 2491915, 3648458, 4408330, 4849163, 4983830, 5482213, 9121145, 9698326, 10964426, 18242290, 24245815, 27411065, 48491630, 54822130, 190880689, 381761378, 954403445, 1908806890, 2099687579, 4199375158, 10498437895, 20996875790]

約数ペア:

[(1, 20996875790), (2, 10498437895), (5, 4199375158), (10, 2099687579), (11, 1908806890), (22, 954403445), (55, 381761378), (110, 190880689), (383, 54822130), (433, 48491630), (766, 27411065), (866, 24245815), (1151, 18242290), (1915, 10964426), (2165, 9698326), (2302, 9121145), (3830, 5482213), (4213, 4983830), (4330, 4849163), (4763, 4408330), (5755, 3648458), (8426, 2491915), (9526, 2204165), (11510, 1824229), (12661, 1658390), (21065, 996766), (23815, 881666), (25322, 829195), (42130, 498383), (47630, 440833), (63305, 331678), (126610, 165839)]