20381432

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 40230000

約数和(自身を除く): 19848568

約数列:

[1, 2, 4, 8, 29, 58, 59, 116, 118, 232, 236, 472, 1489, 1711, 2978, 3422, 5956, 6844, 11912, 13688, 43181, 86362, 87851, 172724, 175702, 345448, 351404, 702808, 2547679, 5095358, 10190716, 20381432]

約数ペア:

[(1, 20381432), (2, 10190716), (4, 5095358), (8, 2547679), (29, 702808), (58, 351404), (59, 345448), (116, 175702), (118, 172724), (232, 87851), (236, 86362), (472, 43181), (1489, 13688), (1711, 11912), (2978, 6844), (3422, 5956)]