23638420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90917}}^1$

素因数の和:90939

約数の個数: 24

約数和(自身を含む): 53459784

約数和(自身を除く): 29821364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 90917, 181834, 363668, 454585, 909170, 1181921, 1818340, 2363842, 4727684, 5909605, 11819210, 23638420]

約数ペア:

[(1, 23638420), (2, 11819210), (4, 5909605), (5, 4727684), (10, 2363842), (13, 1818340), (20, 1181921), (26, 909170), (52, 454585), (65, 363668), (130, 181834), (260, 90917)]