201998519020

素因数分解:

$2^2\times 5^1\times {\mathrm{4871}}^1\times {\mathrm{2073481}}^1$

素因数の和:2078361

約数の個数: 24

約数和(自身を含む): 424284180768

約数和(自身を除く): 222285661748

約数列:

[1, 2, 4, 5, 10, 20, 4871, 9742, 19484, 24355, 48710, 97420, 2073481, 4146962, 8293924, 10367405, 20734810, 41469620, 10099925951, 20199851902, 40399703804, 50499629755, 100999259510, 201998519020]

約数ペア:

[(1, 201998519020), (2, 100999259510), (4, 50499629755), (5, 40399703804), (10, 20199851902), (20, 10099925951), (4871, 41469620), (9742, 20734810), (19484, 10367405), (24355, 8293924), (48710, 4146962), (97420, 2073481)]