20579312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98939}}^1$

素因数の和:98960

約数の個数: 20

約数和(自身を含む): 42939960

約数和(自身を除く): 22360648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98939, 197878, 395756, 791512, 1286207, 1583024, 2572414, 5144828, 10289656, 20579312]

約数ペア:

[(1, 20579312), (2, 10289656), (4, 5144828), (8, 2572414), (13, 1583024), (16, 1286207), (26, 791512), (52, 395756), (104, 197878), (208, 98939)]