20228980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59497}}^1$

素因数の和:59523

約数の個数: 24

約数和(自身を含む): 44980488

約数和(自身を除く): 24751508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59497, 118994, 237988, 297485, 594970, 1011449, 1189940, 2022898, 4045796, 5057245, 10114490, 20228980]

約数ペア:

[(1, 20228980), (2, 10114490), (4, 5057245), (5, 4045796), (10, 2022898), (17, 1189940), (20, 1011449), (34, 594970), (68, 297485), (85, 237988), (170, 118994), (340, 59497)]