20196470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9949}}^1$

素因数の和:9992

約数の個数: 32

約数和(自身を含む): 42984000

約数和(自身を除く): 22787530

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9949, 19898, 49745, 69643, 99490, 139286, 288521, 348215, 577042, 696430, 1442605, 2019647, 2885210, 4039294, 10098235, 20196470]

約数ペア:

[(1, 20196470), (2, 10098235), (5, 4039294), (7, 2885210), (10, 2019647), (14, 1442605), (29, 696430), (35, 577042), (58, 348215), (70, 288521), (145, 139286), (203, 99490), (290, 69643), (406, 49745), (1015, 19898), (2030, 9949)]