20485508

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 37080960

約数和(自身を除く): 16595452

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1423, 2846, 3599, 5692, 7198, 14396, 83957, 86803, 167914, 173606, 335828, 347212, 5121377, 10242754, 20485508]

約数ペア:

[(1, 20485508), (2, 10242754), (4, 5121377), (59, 347212), (61, 335828), (118, 173606), (122, 167914), (236, 86803), (244, 83957), (1423, 14396), (2846, 7198), (3599, 5692)]