20492425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 26801856

約数和(自身を除く): 6309431

約数列:

[1, 5, 23, 25, 115, 157, 227, 575, 785, 1135, 3611, 3925, 5221, 5675, 18055, 26105, 35639, 90275, 130525, 178195, 819697, 890975, 4098485, 20492425]

約数ペア:

[(1, 20492425), (5, 4098485), (23, 890975), (25, 819697), (115, 178195), (157, 130525), (227, 90275), (575, 35639), (785, 26105), (1135, 18055), (3611, 5675), (3925, 5221)]