20669200

素因数分解:

$2^4\times 5^2\times {\mathrm{51673}}^1$

素因数の和:51691

約数の個数: 30

約数和(自身を含む): 49658714

約数和(自身を除く): 28989514

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51673, 103346, 206692, 258365, 413384, 516730, 826768, 1033460, 1291825, 2066920, 2583650, 4133840, 5167300, 10334600, 20669200]

約数ペア:

[(1, 20669200), (2, 10334600), (4, 5167300), (5, 4133840), (8, 2583650), (10, 2066920), (16, 1291825), (20, 1033460), (25, 826768), (40, 516730), (50, 413384), (80, 258365), (100, 206692), (200, 103346), (400, 51673)]