20114380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 49989744

約数和(自身を除く): 29875364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 541, 572, 676, 715, 845, 1082, 1430, 1690, 1859, 2164, 2705, 2860, 3380, 3718, 5410, 5951, 7033, 7436, 9295, 10820, 11902, 14066, 18590, 23804, 28132, 29755, 35165, 37180, 59510, 70330, 77363, 91429, 119020, 140660, 154726, 182858, 309452, 365716, 386815, 457145, 773630, 914290, 1005719, 1547260, 1828580, 2011438, 4022876, 5028595, 10057190, 20114380]

約数ペア:

[(1, 20114380), (2, 10057190), (4, 5028595), (5, 4022876), (10, 2011438), (11, 1828580), (13, 1547260), (20, 1005719), (22, 914290), (26, 773630), (44, 457145), (52, 386815), (55, 365716), (65, 309452), (110, 182858), (130, 154726), (143, 140660), (169, 119020), (220, 91429), (260, 77363), (286, 70330), (338, 59510), (541, 37180), (572, 35165), (676, 29755), (715, 28132), (845, 23804), (1082, 18590), (1430, 14066), (1690, 11902), (1859, 10820), (2164, 9295), (2705, 7436), (2860, 7033), (3380, 5951), (3718, 5410)]