20123404564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1\times {\mathrm{5521}}^1$

素因数の和:5984

約数の個数: 48

約数和(自身を含む): 37417072000

約数和(自身を除く): 17293667436

約数列:

[1, 2, 4, 19, 38, 76, 199, 241, 398, 482, 796, 964, 3781, 4579, 5521, 7562, 9158, 11042, 15124, 18316, 22084, 47959, 95918, 104899, 191836, 209798, 419596, 911221, 1098679, 1330561, 1822442, 2197358, 2661122, 3644884, 4394716, 5322244, 20874901, 25280659, 41749802, 50561318, 83499604, 101122636, 264781639, 529563278, 1059126556, 5030851141, 10061702282, 20123404564]

約数ペア:

[(1, 20123404564), (2, 10061702282), (4, 5030851141), (19, 1059126556), (38, 529563278), (76, 264781639), (199, 101122636), (241, 83499604), (398, 50561318), (482, 41749802), (796, 25280659), (964, 20874901), (3781, 5322244), (4579, 4394716), (5521, 3644884), (7562, 2661122), (9158, 2197358), (11042, 1822442), (15124, 1330561), (18316, 1098679), (22084, 911221), (47959, 419596), (95918, 209798), (104899, 191836)]