20722290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2179}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 49913280

約数和(自身を除く): 29190990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 317, 634, 951, 1585, 1902, 2179, 3170, 4358, 4755, 6537, 9510, 10895, 13074, 21790, 32685, 65370, 690743, 1381486, 2072229, 3453715, 4144458, 6907430, 10361145, 20722290]

約数ペア:

[(1, 20722290), (2, 10361145), (3, 6907430), (5, 4144458), (6, 3453715), (10, 2072229), (15, 1381486), (30, 690743), (317, 65370), (634, 32685), (951, 21790), (1585, 13074), (1902, 10895), (2179, 9510), (3170, 6537), (4358, 4755)]