20123261762

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1\times {\mathrm{2447}}^1$

素因数の和:4546

約数の個数: 32

約数和(自身を含む): 31694353920

約数和(自身を除く): 11571092158

約数列:

[1, 2, 29, 58, 71, 142, 1997, 2059, 2447, 3994, 4118, 4894, 57913, 70963, 115826, 141787, 141926, 173737, 283574, 347474, 4111823, 4886659, 5038373, 8223646, 9773318, 10076746, 141713111, 283426222, 346952789, 693905578, 10061630881, 20123261762]

約数ペア:

[(1, 20123261762), (2, 10061630881), (29, 693905578), (58, 346952789), (71, 283426222), (142, 141713111), (1997, 10076746), (2059, 9773318), (2447, 8223646), (3994, 5038373), (4118, 4886659), (4894, 4111823), (57913, 347474), (70963, 283574), (115826, 173737), (141787, 141926)]