15870020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16883}}^1$

素因数の和:16939

約数の個数: 24

約数和(自身を含む): 34038144

約数和(自身を除く): 18168124

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 16883, 33766, 67532, 84415, 168830, 337660, 793501, 1587002, 3174004, 3967505, 7935010, 15870020]

約数ペア:

[(1, 15870020), (2, 7935010), (4, 3967505), (5, 3174004), (10, 1587002), (20, 793501), (47, 337660), (94, 168830), (188, 84415), (235, 67532), (470, 33766), (940, 16883)]