20437025

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4027}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 29968320

約数和(自身を除く): 9531295

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 4027, 5075, 20135, 28189, 100675, 116783, 140945, 583915, 704725, 817481, 2919575, 4087405, 20437025]

約数ペア:

[(1, 20437025), (5, 4087405), (7, 2919575), (25, 817481), (29, 704725), (35, 583915), (145, 140945), (175, 116783), (203, 100675), (725, 28189), (1015, 20135), (4027, 5075)]