20199574688

素因数分解:

$2^5\times {\mathrm{1213}}^1\times {\mathrm{520393}}^1$

素因数の和:521616

約数の個数: 24

約数和(自身を含む): 39800773908

約数和(自身を除く): 19601199220

約数列:

[1, 2, 4, 8, 16, 32, 1213, 2426, 4852, 9704, 19408, 38816, 520393, 1040786, 2081572, 4163144, 8326288, 16652576, 631236709, 1262473418, 2524946836, 5049893672, 10099787344, 20199574688]

約数ペア:

[(1, 20199574688), (2, 10099787344), (4, 5049893672), (8, 2524946836), (16, 1262473418), (32, 631236709), (1213, 16652576), (2426, 8326288), (4852, 4163144), (9704, 2081572), (19408, 1040786), (38816, 520393)]