20438664

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20771}}^1$

素因数の和:20821

約数の個数: 32

約数和(自身を含む): 52345440

約数和(自身を除く): 31906776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20771, 41542, 62313, 83084, 124626, 166168, 249252, 498504, 851611, 1703222, 2554833, 3406444, 5109666, 6812888, 10219332, 20438664]

約数ペア:

[(1, 20438664), (2, 10219332), (3, 6812888), (4, 5109666), (6, 3406444), (8, 2554833), (12, 1703222), (24, 851611), (41, 498504), (82, 249252), (123, 166168), (164, 124626), (246, 83084), (328, 62313), (492, 41542), (984, 20771)]