20512114839

素因数分解:

$3^3\times {\mathrm{1231}}^1\times {\mathrm{617147}}^1$

素因数の和:618387

約数の個数: 16

約数和(自身を含む): 30413053440

約数和(自身を除く): 9900938601

約数列:

[1, 3, 9, 27, 1231, 3693, 11079, 33237, 617147, 1851441, 5554323, 16662969, 759707957, 2279123871, 6837371613, 20512114839]

約数ペア:

[(1, 20512114839), (3, 6837371613), (9, 2279123871), (27, 759707957), (1231, 16662969), (3693, 5554323), (11079, 1851441), (33237, 617147)]