20237679

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 40435200

約数和(自身を除く): 20197521

約数列:

[1, 3, 7, 9, 11, 19, 21, 29, 33, 53, 57, 63, 77, 87, 99, 133, 159, 171, 203, 209, 231, 261, 319, 371, 399, 477, 551, 583, 609, 627, 693, 957, 1007, 1113, 1197, 1463, 1537, 1653, 1749, 1827, 1881, 2233, 2871, 3021, 3339, 3857, 4081, 4389, 4611, 4959, 5247, 6061, 6699, 7049, 9063, 10759, 11077, 11571, 12243, 13167, 13833, 16907, 18183, 20097, 21147, 29203, 32277, 33231, 34713, 36729, 42427, 50721, 54549, 63441, 77539, 87609, 96831, 99693, 118349, 127281, 152163, 204421, 232617, 262827, 321233, 355047, 381843, 613263, 697851, 963699, 1065141, 1839789, 2248631, 2891097, 6745893, 20237679]

約数ペア:

[(1, 20237679), (3, 6745893), (7, 2891097), (9, 2248631), (11, 1839789), (19, 1065141), (21, 963699), (29, 697851), (33, 613263), (53, 381843), (57, 355047), (63, 321233), (77, 262827), (87, 232617), (99, 204421), (133, 152163), (159, 127281), (171, 118349), (203, 99693), (209, 96831), (231, 87609), (261, 77539), (319, 63441), (371, 54549), (399, 50721), (477, 42427), (551, 36729), (583, 34713), (609, 33231), (627, 32277), (693, 29203), (957, 21147), (1007, 20097), (1113, 18183), (1197, 16907), (1463, 13833), (1537, 13167), (1653, 12243), (1749, 11571), (1827, 11077), (1881, 10759), (2233, 9063), (2871, 7049), (3021, 6699), (3339, 6061), (3857, 5247), (4081, 4959), (4389, 4611)]