20358845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3229}}^1$

素因数の和:3344

約数の個数: 16

約数和(自身を含む): 26589360

約数和(自身を除く): 6230515

約数列:

[1, 5, 13, 65, 97, 485, 1261, 3229, 6305, 16145, 41977, 209885, 313213, 1566065, 4071769, 20358845]

約数ペア:

[(1, 20358845), (5, 4071769), (13, 1566065), (65, 313213), (97, 209885), (485, 41977), (1261, 16145), (3229, 6305)]