20139320

素因数分解:

$2^3\times 5^1\times {\mathrm{503483}}^1$

素因数の和:503494

約数の個数: 16

約数和(自身を含む): 45313560

約数和(自身を除く): 25174240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503483, 1006966, 2013932, 2517415, 4027864, 5034830, 10069660, 20139320]

約数ペア:

[(1, 20139320), (2, 10069660), (4, 5034830), (5, 4027864), (8, 2517415), (10, 2013932), (20, 1006966), (40, 503483)]