20503386

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{11059}}^1$

素因数の和:11170

約数の個数: 24

約数和(自身を含む): 44859360

約数和(自身を除く): 24355974

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 11059, 22118, 33177, 66354, 99531, 199062, 1139077, 2278154, 3417231, 6834462, 10251693, 20503386]

約数ペア:

[(1, 20503386), (2, 10251693), (3, 6834462), (6, 3417231), (9, 2278154), (18, 1139077), (103, 199062), (206, 99531), (309, 66354), (618, 33177), (927, 22118), (1854, 11059)]