20449282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1303}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 17105918

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1303, 2242, 2606, 7847, 9121, 15694, 18242, 24757, 49514, 76877, 153754, 173299, 346598, 538139, 1076278, 1460663, 2921326, 10224641, 20449282]

約数ペア:

[(1, 20449282), (2, 10224641), (7, 2921326), (14, 1460663), (19, 1076278), (38, 538139), (59, 346598), (118, 173299), (133, 153754), (266, 76877), (413, 49514), (826, 24757), (1121, 18242), (1303, 15694), (2242, 9121), (2606, 7847)]