20169752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3515

約数の個数: 32

約数和(自身を含む): 40986000

約数和(自身を除く): 20816248

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3449, 5848, 6898, 13796, 27592, 58633, 117266, 148307, 234532, 296614, 469064, 593228, 1186456, 2521219, 5042438, 10084876, 20169752]

約数ペア:

[(1, 20169752), (2, 10084876), (4, 5042438), (8, 2521219), (17, 1186456), (34, 593228), (43, 469064), (68, 296614), (86, 234532), (136, 148307), (172, 117266), (344, 58633), (731, 27592), (1462, 13796), (2924, 6898), (3449, 5848)]