20349615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18841425

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 53, 55, 65, 143, 159, 165, 179, 195, 265, 429, 537, 583, 689, 715, 795, 895, 1749, 1969, 2067, 2145, 2327, 2685, 2915, 3445, 5907, 6981, 7579, 8745, 9487, 9845, 10335, 11635, 22737, 25597, 28461, 29535, 34905, 37895, 47435, 76791, 104357, 113685, 123331, 127985, 142305, 313071, 369993, 383955, 521785, 616655, 1356641, 1565355, 1849965, 4069923, 6783205, 20349615]

約数ペア:

[(1, 20349615), (3, 6783205), (5, 4069923), (11, 1849965), (13, 1565355), (15, 1356641), (33, 616655), (39, 521785), (53, 383955), (55, 369993), (65, 313071), (143, 142305), (159, 127985), (165, 123331), (179, 113685), (195, 104357), (265, 76791), (429, 47435), (537, 37895), (583, 34905), (689, 29535), (715, 28461), (795, 25597), (895, 22737), (1749, 11635), (1969, 10335), (2067, 9845), (2145, 9487), (2327, 8745), (2685, 7579), (2915, 6981), (3445, 5907)]