20139540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3137}}^1$

素因数の和:3256

約数の個数: 48

約数和(自身を含む): 56935872

約数和(自身を除く): 36796332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3137, 3210, 6274, 6420, 9411, 12548, 15685, 18822, 31370, 37644, 47055, 62740, 94110, 188220, 335659, 671318, 1006977, 1342636, 1678295, 2013954, 3356590, 4027908, 5034885, 6713180, 10069770, 20139540]

約数ペア:

[(1, 20139540), (2, 10069770), (3, 6713180), (4, 5034885), (5, 4027908), (6, 3356590), (10, 2013954), (12, 1678295), (15, 1342636), (20, 1006977), (30, 671318), (60, 335659), (107, 188220), (214, 94110), (321, 62740), (428, 47055), (535, 37644), (642, 31370), (1070, 18822), (1284, 15685), (1605, 12548), (2140, 9411), (3137, 6420), (3210, 6274)]