20498090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120577}}^1$

素因数の和:120601

約数の個数: 16

約数和(自身を含む): 39067272

約数和(自身を除く): 18569182

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120577, 241154, 602885, 1205770, 2049809, 4099618, 10249045, 20498090]

約数ペア:

[(1, 20498090), (2, 10249045), (5, 4099618), (10, 2049809), (17, 1205770), (34, 602885), (85, 241154), (170, 120577)]