20064081640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16180711}}^1$

素因数の和:16180753

約数の個数: 32

約数和(自身を含む): 46600450560

約数和(自身を除く): 26536368920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16180711, 32361422, 64722844, 80903555, 129445688, 161807110, 323614220, 501602041, 647228440, 1003204082, 2006408164, 2508010205, 4012816328, 5016020410, 10032040820, 20064081640]

約数ペア:

[(1, 20064081640), (2, 10032040820), (4, 5016020410), (5, 4012816328), (8, 2508010205), (10, 2006408164), (20, 1003204082), (31, 647228440), (40, 501602041), (62, 323614220), (124, 161807110), (155, 129445688), (248, 80903555), (310, 64722844), (620, 32361422), (1240, 16180711)]