20734360

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{911}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 46785600

約数和(自身を除く): 26051240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 911, 1138, 1822, 2276, 2845, 3644, 4552, 4555, 5690, 7288, 9110, 11380, 18220, 22760, 36440, 518359, 1036718, 2073436, 2591795, 4146872, 5183590, 10367180, 20734360]

約数ペア:

[(1, 20734360), (2, 10367180), (4, 5183590), (5, 4146872), (8, 2591795), (10, 2073436), (20, 1036718), (40, 518359), (569, 36440), (911, 22760), (1138, 18220), (1822, 11380), (2276, 9110), (2845, 7288), (3644, 5690), (4552, 4555)]