20457690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1387

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 34285350

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 235, 282, 330, 470, 517, 705, 1034, 1319, 1410, 1551, 2585, 2638, 3102, 3957, 5170, 6595, 7755, 7914, 13190, 14509, 15510, 19785, 29018, 39570, 43527, 61993, 72545, 87054, 123986, 145090, 185979, 217635, 309965, 371958, 435270, 619930, 681923, 929895, 1363846, 1859790, 2045769, 3409615, 4091538, 6819230, 10228845, 20457690]

約数ペア:

[(1, 20457690), (2, 10228845), (3, 6819230), (5, 4091538), (6, 3409615), (10, 2045769), (11, 1859790), (15, 1363846), (22, 929895), (30, 681923), (33, 619930), (47, 435270), (55, 371958), (66, 309965), (94, 217635), (110, 185979), (141, 145090), (165, 123986), (235, 87054), (282, 72545), (330, 61993), (470, 43527), (517, 39570), (705, 29018), (1034, 19785), (1319, 15510), (1410, 14509), (1551, 13190), (2585, 7914), (2638, 7755), (3102, 6595), (3957, 5170)]