20662075

素因数分解:

$5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 36

約数和(自身を含む): 30279312

約数和(自身を除く): 9617237

約数列:

[1, 5, 7, 25, 35, 49, 101, 167, 175, 245, 505, 707, 835, 1169, 1225, 2525, 3535, 4175, 4949, 5845, 8183, 16867, 17675, 24745, 29225, 40915, 84335, 118069, 123725, 204575, 421675, 590345, 826483, 2951725, 4132415, 20662075]

約数ペア:

[(1, 20662075), (5, 4132415), (7, 2951725), (25, 826483), (35, 590345), (49, 421675), (101, 204575), (167, 123725), (175, 118069), (245, 84335), (505, 40915), (707, 29225), (835, 24745), (1169, 17675), (1225, 16867), (2525, 8183), (3535, 5845), (4175, 4949)]