20502864

素因数分解:

$2^4\times 3^2\times {\mathrm{142381}}^1$

素因数の和:142395

約数の個数: 30

約数和(自身を含む): 57379946

約数和(自身を除く): 36877082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142381, 284762, 427143, 569524, 854286, 1139048, 1281429, 1708572, 2278096, 2562858, 3417144, 5125716, 6834288, 10251432, 20502864]

約数ペア:

[(1, 20502864), (2, 10251432), (3, 6834288), (4, 5125716), (6, 3417144), (8, 2562858), (9, 2278096), (12, 1708572), (16, 1281429), (18, 1139048), (24, 854286), (36, 569524), (48, 427143), (72, 284762), (144, 142381)]