20572662

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 46347840

約数和(自身を除く): 25775178

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 121, 129, 242, 258, 363, 473, 659, 726, 946, 1318, 1419, 1977, 2838, 3954, 5203, 7249, 10406, 14498, 15609, 21747, 28337, 31218, 43494, 56674, 79739, 85011, 159478, 170022, 239217, 311707, 478434, 623414, 935121, 1870242, 3428777, 6857554, 10286331, 20572662]

約数ペア:

[(1, 20572662), (2, 10286331), (3, 6857554), (6, 3428777), (11, 1870242), (22, 935121), (33, 623414), (43, 478434), (66, 311707), (86, 239217), (121, 170022), (129, 159478), (242, 85011), (258, 79739), (363, 56674), (473, 43494), (659, 31218), (726, 28337), (946, 21747), (1318, 15609), (1419, 14498), (1977, 10406), (2838, 7249), (3954, 5203)]