20851918018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{12197}}^1$

素因数の和:12538

約数の個数: 32

約数和(自身を含む): 32486103936

約数和(自身を除く): 11634185918

約数列:

[1, 2, 43, 86, 103, 193, 206, 386, 4429, 8299, 8858, 12197, 16598, 19879, 24394, 39758, 524471, 854797, 1048942, 1256291, 1709594, 2354021, 2512582, 4708042, 54020513, 101222903, 108041026, 202445806, 242464163, 484928326, 10425959009, 20851918018]

約数ペア:

[(1, 20851918018), (2, 10425959009), (43, 484928326), (86, 242464163), (103, 202445806), (193, 108041026), (206, 101222903), (386, 54020513), (4429, 4708042), (8299, 2512582), (8858, 2354021), (12197, 1709594), (16598, 1256291), (19879, 1048942), (24394, 854797), (39758, 524471)]