20105342210

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3949969}}^1$

素因数の和:3950485

約数の個数: 16

約数和(自身を含む): 36260724600

約数和(自身を除く): 16155382390

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 3949969, 7899938, 19749845, 39499690, 2010534221, 4021068442, 10052671105, 20105342210]

約数ペア:

[(1, 20105342210), (2, 10052671105), (5, 4021068442), (10, 2010534221), (509, 39499690), (1018, 19749845), (2545, 7899938), (5090, 3949969)]