20187645940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{247337}}^1$

素因数の和:247417

約数の個数: 96

約数和(自身を含む): 53852408064

約数和(自身を除く): 33664762124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 140, 154, 212, 220, 265, 308, 371, 385, 530, 583, 742, 770, 1060, 1166, 1484, 1540, 1855, 2332, 2915, 3710, 4081, 5830, 7420, 8162, 11660, 16324, 20405, 40810, 81620, 247337, 494674, 989348, 1236685, 1731359, 2473370, 2720707, 3462718, 4946740, 5441414, 6925436, 8656795, 10882828, 13108861, 13603535, 17313590, 19044949, 26217722, 27207070, 34627180, 38089898, 52435444, 54414140, 65544305, 76179796, 91762027, 95224745, 131088610, 144197471, 183524054, 190449490, 262177220, 288394942, 367048108, 380898980, 458810135, 576789884, 720987355, 917620270, 1009382297, 1441974710, 1835240540, 2018764594, 2883949420, 4037529188, 5046911485, 10093822970, 20187645940]

約数ペア:

[(1, 20187645940), (2, 10093822970), (4, 5046911485), (5, 4037529188), (7, 2883949420), (10, 2018764594), (11, 1835240540), (14, 1441974710), (20, 1009382297), (22, 917620270), (28, 720987355), (35, 576789884), (44, 458810135), (53, 380898980), (55, 367048108), (70, 288394942), (77, 262177220), (106, 190449490), (110, 183524054), (140, 144197471), (154, 131088610), (212, 95224745), (220, 91762027), (265, 76179796), (308, 65544305), (371, 54414140), (385, 52435444), (530, 38089898), (583, 34627180), (742, 27207070), (770, 26217722), (1060, 19044949), (1166, 17313590), (1484, 13603535), (1540, 13108861), (1855, 10882828), (2332, 8656795), (2915, 6925436), (3710, 5441414), (4081, 4946740), (5830, 3462718), (7420, 2720707), (8162, 2473370), (11660, 1731359), (16324, 1236685), (20405, 989348), (40810, 494674), (81620, 247337)]