20372210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70249}}^1$

素因数の和:70285

約数の個数: 16

約数和(自身を含む): 37935000

約数和(自身を除く): 17562790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70249, 140498, 351245, 702490, 2037221, 4074442, 10186105, 20372210]

約数ペア:

[(1, 20372210), (2, 10186105), (5, 4074442), (10, 2037221), (29, 702490), (58, 351245), (145, 140498), (290, 70249)]