20729490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23827}}^1$

素因数の和:23866

約数の個数: 32

約数和(自身を含む): 51468480

約数和(自身を除く): 30738990

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23827, 47654, 71481, 119135, 142962, 238270, 357405, 690983, 714810, 1381966, 2072949, 3454915, 4145898, 6909830, 10364745, 20729490]

約数ペア:

[(1, 20729490), (2, 10364745), (3, 6909830), (5, 4145898), (6, 3454915), (10, 2072949), (15, 1381966), (29, 714810), (30, 690983), (58, 357405), (87, 238270), (145, 142962), (174, 119135), (290, 71481), (435, 47654), (870, 23827)]