20813300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7177}}^1$

素因数の和:7220

約数の個数: 36

約数和(自身を含む): 46728780

約数和(自身を除く): 25915480

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7177, 14354, 28708, 35885, 71770, 143540, 179425, 208133, 358850, 416266, 717700, 832532, 1040665, 2081330, 4162660, 5203325, 10406650, 20813300]

約数ペア:

[(1, 20813300), (2, 10406650), (4, 5203325), (5, 4162660), (10, 2081330), (20, 1040665), (25, 832532), (29, 717700), (50, 416266), (58, 358850), (100, 208133), (116, 179425), (145, 143540), (290, 71770), (580, 35885), (725, 28708), (1450, 14354), (2900, 7177)]