20535420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342257}}^1$

素因数の和:342269

約数の個数: 24

約数和(自身を含む): 57499344

約数和(自身を除く): 36963924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342257, 684514, 1026771, 1369028, 1711285, 2053542, 3422570, 4107084, 5133855, 6845140, 10267710, 20535420]

約数ペア:

[(1, 20535420), (2, 10267710), (3, 6845140), (4, 5133855), (5, 4107084), (6, 3422570), (10, 2053542), (12, 1711285), (15, 1369028), (20, 1026771), (30, 684514), (60, 342257)]