20173640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12301}}^1$

素因数の和:12353

約数の個数: 32

約数和(自身を含む): 46501560

約数和(自身を除く): 26327920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12301, 24602, 49204, 61505, 98408, 123010, 246020, 492040, 504341, 1008682, 2017364, 2521705, 4034728, 5043410, 10086820, 20173640]

約数ペア:

[(1, 20173640), (2, 10086820), (4, 5043410), (5, 4034728), (8, 2521705), (10, 2017364), (20, 1008682), (40, 504341), (41, 492040), (82, 246020), (164, 123010), (205, 98408), (328, 61505), (410, 49204), (820, 24602), (1640, 12301)]