20205702

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31686138

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 41, 57, 66, 82, 99, 114, 123, 131, 171, 198, 209, 246, 262, 342, 369, 393, 418, 451, 627, 738, 779, 786, 902, 1179, 1254, 1353, 1441, 1558, 1881, 2337, 2358, 2489, 2706, 2882, 3762, 4059, 4323, 4674, 4978, 5371, 7011, 7467, 8118, 8569, 8646, 10742, 12969, 14022, 14934, 16113, 17138, 22401, 25707, 25938, 27379, 32226, 44802, 48339, 51414, 54758, 59081, 77121, 82137, 96678, 102049, 118162, 154242, 164274, 177243, 204098, 246411, 306147, 354486, 492822, 531729, 612294, 918441, 1063458, 1122539, 1836882, 2245078, 3367617, 6735234, 10102851, 20205702]

約数ペア:

[(1, 20205702), (2, 10102851), (3, 6735234), (6, 3367617), (9, 2245078), (11, 1836882), (18, 1122539), (19, 1063458), (22, 918441), (33, 612294), (38, 531729), (41, 492822), (57, 354486), (66, 306147), (82, 246411), (99, 204098), (114, 177243), (123, 164274), (131, 154242), (171, 118162), (198, 102049), (209, 96678), (246, 82137), (262, 77121), (342, 59081), (369, 54758), (393, 51414), (418, 48339), (451, 44802), (627, 32226), (738, 27379), (779, 25938), (786, 25707), (902, 22401), (1179, 17138), (1254, 16113), (1353, 14934), (1441, 14022), (1558, 12969), (1881, 10742), (2337, 8646), (2358, 8569), (2489, 8118), (2706, 7467), (2882, 7011), (3762, 5371), (4059, 4978), (4323, 4674)]