20121535

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3527}}^1$

素因数の和:3702

約数の個数: 16

約数和(自身を含む): 27772416

約数和(自身を除く): 7650881

約数列:

[1, 5, 7, 35, 163, 815, 1141, 3527, 5705, 17635, 24689, 123445, 574901, 2874505, 4024307, 20121535]

約数ペア:

[(1, 20121535), (5, 4024307), (7, 2874505), (35, 574901), (163, 123445), (815, 24689), (1141, 17635), (3527, 5705)]