20056725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6886

約数の個数: 36

約数和(自身を含む): 38692836

約数和(自身を除く): 18636111

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6857, 20571, 34285, 61713, 89141, 102855, 171425, 267423, 308565, 445705, 514275, 802269, 1337115, 1542825, 2228525, 4011345, 6685575, 20056725]

約数ペア:

[(1, 20056725), (3, 6685575), (5, 4011345), (9, 2228525), (13, 1542825), (15, 1337115), (25, 802269), (39, 514275), (45, 445705), (65, 308565), (75, 267423), (117, 171425), (195, 102855), (225, 89141), (325, 61713), (585, 34285), (975, 20571), (2925, 6857)]