20340658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 34700400

約数和(自身を除く): 14359742

約数列:

[1, 2, 13, 26, 29, 53, 58, 106, 377, 509, 689, 754, 1018, 1378, 1537, 3074, 6617, 13234, 14761, 19981, 26977, 29522, 39962, 53954, 191893, 350701, 383786, 701402, 782333, 1564666, 10170329, 20340658]

約数ペア:

[(1, 20340658), (2, 10170329), (13, 1564666), (26, 782333), (29, 701402), (53, 383786), (58, 350701), (106, 191893), (377, 53954), (509, 39962), (689, 29522), (754, 26977), (1018, 19981), (1378, 14761), (1537, 13234), (3074, 6617)]