20176910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11939}}^1$

素因数の和:11972

約数の個数: 24

約数和(自身を含む): 39330360

約数和(自身を除く): 19153450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11939, 23878, 59695, 119390, 155207, 310414, 776035, 1552070, 2017691, 4035382, 10088455, 20176910]

約数ペア:

[(1, 20176910), (2, 10088455), (5, 4035382), (10, 2017691), (13, 1552070), (26, 776035), (65, 310414), (130, 155207), (169, 119390), (338, 59695), (845, 23878), (1690, 11939)]