20145897583

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{154043}}^1$

素因数の和:154231

約数の個数: 24

約数和(自身を含む): 24971764752

約数和(自身を除く): 4825867169

約数列:

[1, 7, 17, 49, 119, 157, 833, 1099, 2669, 7693, 18683, 130781, 154043, 1078301, 2618731, 7548107, 18331117, 24184751, 128317819, 169293257, 411140767, 1185052799, 2877985369, 20145897583]

約数ペア:

[(1, 20145897583), (7, 2877985369), (17, 1185052799), (49, 411140767), (119, 169293257), (157, 128317819), (833, 24184751), (1099, 18331117), (2669, 7548107), (7693, 2618731), (18683, 1078301), (130781, 154043)]