20302250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 40516632

約数和(自身を除く): 20214382

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 281, 289, 425, 562, 578, 850, 1405, 1445, 2125, 2810, 2890, 4250, 4777, 7025, 7225, 9554, 14050, 14450, 23885, 35125, 36125, 47770, 70250, 72250, 81209, 119425, 162418, 238850, 406045, 597125, 812090, 1194250, 2030225, 4060450, 10151125, 20302250]

約数ペア:

[(1, 20302250), (2, 10151125), (5, 4060450), (10, 2030225), (17, 1194250), (25, 812090), (34, 597125), (50, 406045), (85, 238850), (125, 162418), (170, 119425), (250, 81209), (281, 72250), (289, 70250), (425, 47770), (562, 36125), (578, 35125), (850, 23885), (1405, 14450), (1445, 14050), (2125, 9554), (2810, 7225), (2890, 7025), (4250, 4777)]