20016978

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 40888320

約数和(自身を除く): 20871342

約数列:

[1, 2, 3, 6, 109, 127, 218, 241, 254, 327, 381, 482, 654, 723, 762, 1446, 13843, 26269, 27686, 30607, 41529, 52538, 61214, 78807, 83058, 91821, 157614, 183642, 3336163, 6672326, 10008489, 20016978]

約数ペア:

[(1, 20016978), (2, 10008489), (3, 6672326), (6, 3336163), (109, 183642), (127, 157614), (218, 91821), (241, 83058), (254, 78807), (327, 61214), (381, 52538), (482, 41529), (654, 30607), (723, 27686), (762, 26269), (1446, 13843)]