20683860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8017}}^1$

素因数の和:8072

約数の個数: 48

約数和(自身を含む): 59269056

約数和(自身を除く): 38585196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 8017, 16034, 24051, 32068, 40085, 48102, 80170, 96204, 120255, 160340, 240510, 344731, 481020, 689462, 1034193, 1378924, 1723655, 2068386, 3447310, 4136772, 5170965, 6894620, 10341930, 20683860]

約数ペア:

[(1, 20683860), (2, 10341930), (3, 6894620), (4, 5170965), (5, 4136772), (6, 3447310), (10, 2068386), (12, 1723655), (15, 1378924), (20, 1034193), (30, 689462), (43, 481020), (60, 344731), (86, 240510), (129, 160340), (172, 120255), (215, 96204), (258, 80170), (430, 48102), (516, 40085), (645, 32068), (860, 24051), (1290, 16034), (2580, 8017)]