20161383985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{3169}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 25066229760

約数和(自身を除く): 4904845775

約数列:

[1, 5, 43, 127, 215, 233, 635, 1165, 3169, 5461, 10019, 15845, 27305, 29591, 50095, 136267, 147955, 402463, 681335, 738377, 1272413, 2012315, 3691885, 6362065, 17305909, 31750211, 86529545, 93773879, 158751055, 468869395, 4032276797, 20161383985]

約数ペア:

[(1, 20161383985), (5, 4032276797), (43, 468869395), (127, 158751055), (215, 93773879), (233, 86529545), (635, 31750211), (1165, 17305909), (3169, 6362065), (5461, 3691885), (10019, 2012315), (15845, 1272413), (27305, 738377), (29591, 681335), (50095, 402463), (136267, 147955)]