20185210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5189}}^1$

素因数の和:5585

約数の個数: 16

約数和(自身を含む): 36433800

約数和(自身を除く): 16248590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5189, 10378, 25945, 51890, 2018521, 4037042, 10092605, 20185210]

約数ペア:

[(1, 20185210), (2, 10092605), (5, 4037042), (10, 2018521), (389, 51890), (778, 25945), (1945, 10378), (3890, 5189)]