20045718

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1607}}^1$

素因数の和:1639

約数の個数: 80

約数和(自身を含む): 56035584

約数和(自身を除く): 35989866

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1607, 1782, 2079, 3214, 4158, 4821, 6237, 9642, 11249, 12474, 14463, 17677, 22498, 28926, 33747, 35354, 43389, 53031, 67494, 86778, 101241, 106062, 123739, 130167, 159093, 202482, 247478, 260334, 303723, 318186, 371217, 477279, 607446, 742434, 911169, 954558, 1113651, 1431837, 1822338, 2227302, 2863674, 3340953, 6681906, 10022859, 20045718]

約数ペア:

[(1, 20045718), (2, 10022859), (3, 6681906), (6, 3340953), (7, 2863674), (9, 2227302), (11, 1822338), (14, 1431837), (18, 1113651), (21, 954558), (22, 911169), (27, 742434), (33, 607446), (42, 477279), (54, 371217), (63, 318186), (66, 303723), (77, 260334), (81, 247478), (99, 202482), (126, 159093), (154, 130167), (162, 123739), (189, 106062), (198, 101241), (231, 86778), (297, 67494), (378, 53031), (462, 43389), (567, 35354), (594, 33747), (693, 28926), (891, 22498), (1134, 17677), (1386, 14463), (1607, 12474), (1782, 11249), (2079, 9642), (3214, 6237), (4158, 4821)]