20145982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4463}}^1$

素因数の和:4563

約数の個数: 16

約数和(自身を含む): 31551552

約数和(自身を除く): 11405570

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4463, 4514, 8926, 165131, 272243, 330262, 544486, 10072991, 20145982]

約数ペア:

[(1, 20145982), (2, 10072991), (37, 544486), (61, 330262), (74, 272243), (122, 165131), (2257, 8926), (4463, 4514)]