20271545

素因数分解:

$5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 28622664

約数和(自身を除く): 8351119

約数列:

[1, 5, 7, 35, 49, 97, 245, 485, 679, 853, 3395, 4265, 4753, 5971, 23765, 29855, 41797, 82741, 208985, 413705, 579187, 2895935, 4054309, 20271545]

約数ペア:

[(1, 20271545), (5, 4054309), (7, 2895935), (35, 579187), (49, 413705), (97, 208985), (245, 82741), (485, 41797), (679, 29855), (853, 23765), (3395, 5971), (4265, 4753)]