20612396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23747}}^1$

素因数の和:23789

約数の個数: 24

約数和(自身を含む): 42556416

約数和(自身を除く): 21944020

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23747, 47494, 94988, 166229, 332458, 664916, 736157, 1472314, 2944628, 5153099, 10306198, 20612396]

約数ペア:

[(1, 20612396), (2, 10306198), (4, 5153099), (7, 2944628), (14, 1472314), (28, 736157), (31, 664916), (62, 332458), (124, 166229), (217, 94988), (434, 47494), (868, 23747)]