16392620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19991}}^1$

素因数の和:20041

約数の個数: 24

約数和(自身を含む): 35265888

約数和(自身を除く): 18873268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19991, 39982, 79964, 99955, 199910, 399820, 819631, 1639262, 3278524, 4098155, 8196310, 16392620]

約数ペア:

[(1, 16392620), (2, 8196310), (4, 4098155), (5, 3278524), (10, 1639262), (20, 819631), (41, 399820), (82, 199910), (164, 99955), (205, 79964), (410, 39982), (820, 19991)]