20195406

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1619}}^1$

素因数の和:1651

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 36258354

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, 1619, 1782, 2079, 3238, 4158, 4857, 6237, 9714, 11333, 12474, 14571, 17809, 22666, 29142, 33999, 35618, 43713, 53427, 67998, 87426, 101997, 106854, 124663, 131139, 160281, 203994, 249326, 262278, 305991, 320562, 373989, 480843, 611982, 747978, 917973, 961686, 1121967, 1442529, 1835946, 2243934, 2885058, 3365901, 6731802, 10097703, 20195406]

約数ペア:

[(1, 20195406), (2, 10097703), (3, 6731802), (6, 3365901), (7, 2885058), (9, 2243934), (11, 1835946), (14, 1442529), (18, 1121967), (21, 961686), (22, 917973), (27, 747978), (33, 611982), (42, 480843), (54, 373989), (63, 320562), (66, 305991), (77, 262278), (81, 249326), (99, 203994), (126, 160281), (154, 131139), (162, 124663), (189, 106854), (198, 101997), (231, 87426), (297, 67998), (378, 53427), (462, 43713), (567, 35618), (594, 33999), (693, 29142), (891, 22666), (1134, 17809), (1386, 14571), (1619, 12474), (1782, 11333), (2079, 9714), (3238, 6237), (4158, 4857)]