20674060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8543}}^1$

素因数の和:8574

約数の個数: 36

約数和(自身を含む): 47726784

約数和(自身を除く): 27052724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8543, 17086, 34172, 42715, 85430, 93973, 170860, 187946, 375892, 469865, 939730, 1033703, 1879460, 2067406, 4134812, 5168515, 10337030, 20674060]

約数ペア:

[(1, 20674060), (2, 10337030), (4, 5168515), (5, 4134812), (10, 2067406), (11, 1879460), (20, 1033703), (22, 939730), (44, 469865), (55, 375892), (110, 187946), (121, 170860), (220, 93973), (242, 85430), (484, 42715), (605, 34172), (1210, 17086), (2420, 8543)]