20965164

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 54141696

約数和(自身を除く): 33176532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2237, 2343, 3124, 4474, 4686, 6711, 8948, 9372, 13422, 24607, 26844, 49214, 73821, 98428, 147642, 158827, 295284, 317654, 476481, 635308, 952962, 1747097, 1905924, 3494194, 5241291, 6988388, 10482582, 20965164]

約数ペア:

[(1, 20965164), (2, 10482582), (3, 6988388), (4, 5241291), (6, 3494194), (11, 1905924), (12, 1747097), (22, 952962), (33, 635308), (44, 476481), (66, 317654), (71, 295284), (132, 158827), (142, 147642), (213, 98428), (284, 73821), (426, 49214), (781, 26844), (852, 24607), (1562, 13422), (2237, 9372), (2343, 8948), (3124, 6711), (4474, 4686)]