20258244

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3109}}^1$

素因数の和:3300

約数の個数: 36

約数和(自身を含む): 51507820

約数和(自身を除く): 31249576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3109, 3258, 6218, 6516, 9327, 12436, 18654, 27981, 37308, 55962, 111924, 562729, 1125458, 1688187, 2250916, 3376374, 5064561, 6752748, 10129122, 20258244]

約数ペア:

[(1, 20258244), (2, 10129122), (3, 6752748), (4, 5064561), (6, 3376374), (9, 2250916), (12, 1688187), (18, 1125458), (36, 562729), (181, 111924), (362, 55962), (543, 37308), (724, 27981), (1086, 18654), (1629, 12436), (2172, 9327), (3109, 6516), (3258, 6218)]