20843570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10010

約数の個数: 32

約数和(自身を含む): 43087680

約数和(自身を除く): 22244110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9973, 19946, 49865, 99730, 109703, 189487, 219406, 378974, 548515, 947435, 1097030, 1894870, 2084357, 4168714, 10421785, 20843570]

約数ペア:

[(1, 20843570), (2, 10421785), (5, 4168714), (10, 2084357), (11, 1894870), (19, 1097030), (22, 947435), (38, 548515), (55, 378974), (95, 219406), (110, 189487), (190, 109703), (209, 99730), (418, 49865), (1045, 19946), (2090, 9973)]