20498604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3089}}^1$

素因数の和:3182

約数の個数: 48

約数和(自身を含む): 55372800

約数和(自身を除く): 34874196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3089, 3318, 6178, 6636, 9267, 12356, 18534, 21623, 37068, 43246, 64869, 86492, 129738, 244031, 259476, 488062, 732093, 976124, 1464186, 1708217, 2928372, 3416434, 5124651, 6832868, 10249302, 20498604]

約数ペア:

[(1, 20498604), (2, 10249302), (3, 6832868), (4, 5124651), (6, 3416434), (7, 2928372), (12, 1708217), (14, 1464186), (21, 976124), (28, 732093), (42, 488062), (79, 259476), (84, 244031), (158, 129738), (237, 86492), (316, 64869), (474, 43246), (553, 37068), (948, 21623), (1106, 18534), (1659, 12356), (2212, 9267), (3089, 6636), (3318, 6178)]