20629730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 42142464

約数和(自身を除く): 21512734

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 223, 290, 319, 446, 638, 841, 1115, 1595, 1682, 2230, 2453, 3190, 4205, 4906, 6467, 8410, 9251, 12265, 12934, 18502, 24530, 32335, 46255, 64670, 71137, 92510, 142274, 187543, 355685, 375086, 711370, 937715, 1875430, 2062973, 4125946, 10314865, 20629730]

約数ペア:

[(1, 20629730), (2, 10314865), (5, 4125946), (10, 2062973), (11, 1875430), (22, 937715), (29, 711370), (55, 375086), (58, 355685), (110, 187543), (145, 142274), (223, 92510), (290, 71137), (319, 64670), (446, 46255), (638, 32335), (841, 24530), (1115, 18502), (1595, 12934), (1682, 12265), (2230, 9251), (2453, 8410), (3190, 6467), (4205, 4906)]