20126285960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{189799}}^1$

素因数の和:190062

約数の個数: 64

約数和(自身を含む): 49606128000

約数和(自身を除く): 29479842040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 964, 1205, 1928, 2410, 2651, 4820, 5302, 9640, 10604, 13255, 21208, 26510, 53020, 106040, 189799, 379598, 759196, 948995, 1518392, 1897990, 2087789, 3795980, 4175578, 7591960, 8351156, 10438945, 16702312, 20877890, 41755780, 45741559, 83511560, 91483118, 182966236, 228707795, 365932472, 457415590, 503157149, 914831180, 1006314298, 1829662360, 2012628596, 2515785745, 4025257192, 5031571490, 10063142980, 20126285960]

約数ペア:

[(1, 20126285960), (2, 10063142980), (4, 5031571490), (5, 4025257192), (8, 2515785745), (10, 2012628596), (11, 1829662360), (20, 1006314298), (22, 914831180), (40, 503157149), (44, 457415590), (55, 365932472), (88, 228707795), (110, 182966236), (220, 91483118), (241, 83511560), (440, 45741559), (482, 41755780), (964, 20877890), (1205, 16702312), (1928, 10438945), (2410, 8351156), (2651, 7591960), (4820, 4175578), (5302, 3795980), (9640, 2087789), (10604, 1897990), (13255, 1518392), (21208, 948995), (26510, 759196), (53020, 379598), (106040, 189799)]