20288592

素因数分解:

$2^4\times 3^2\times {\mathrm{140893}}^1$

素因数の和:140907

約数の個数: 30

約数和(自身を含む): 56780282

約数和(自身を除く): 36491690

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140893, 281786, 422679, 563572, 845358, 1127144, 1268037, 1690716, 2254288, 2536074, 3381432, 5072148, 6762864, 10144296, 20288592]

約数ペア:

[(1, 20288592), (2, 10144296), (3, 6762864), (4, 5072148), (6, 3381432), (8, 2536074), (9, 2254288), (12, 1690716), (16, 1268037), (18, 1127144), (24, 845358), (36, 563572), (48, 422679), (72, 281786), (144, 140893)]