20318675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 27446160

約数和(自身を除く): 7127485

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 619, 1313, 2525, 3095, 6565, 8047, 15475, 32825, 40235, 62519, 201175, 312595, 812747, 1562975, 4063735, 20318675]

約数ペア:

[(1, 20318675), (5, 4063735), (13, 1562975), (25, 812747), (65, 312595), (101, 201175), (325, 62519), (505, 40235), (619, 32825), (1313, 15475), (2525, 8047), (3095, 6565)]