20223320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38891}}^1$

素因数の和:38915

約数の個数: 32

約数和(自身を含む): 49003920

約数和(自身を除く): 28780600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38891, 77782, 155564, 194455, 311128, 388910, 505583, 777820, 1011166, 1555640, 2022332, 2527915, 4044664, 5055830, 10111660, 20223320]

約数ペア:

[(1, 20223320), (2, 10111660), (4, 5055830), (5, 4044664), (8, 2527915), (10, 2022332), (13, 1555640), (20, 1011166), (26, 777820), (40, 505583), (52, 388910), (65, 311128), (104, 194455), (130, 155564), (260, 77782), (520, 38891)]