20284614

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 52116480

約数和(自身を除く): 31831866

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 103, 126, 189, 206, 309, 378, 521, 618, 721, 927, 1042, 1442, 1563, 1854, 2163, 2781, 3126, 3647, 4326, 4689, 5562, 6489, 7294, 9378, 10941, 12978, 14067, 19467, 21882, 28134, 32823, 38934, 53663, 65646, 98469, 107326, 160989, 196938, 321978, 375641, 482967, 751282, 965934, 1126923, 1448901, 2253846, 2897802, 3380769, 6761538, 10142307, 20284614]

約数ペア:

[(1, 20284614), (2, 10142307), (3, 6761538), (6, 3380769), (7, 2897802), (9, 2253846), (14, 1448901), (18, 1126923), (21, 965934), (27, 751282), (42, 482967), (54, 375641), (63, 321978), (103, 196938), (126, 160989), (189, 107326), (206, 98469), (309, 65646), (378, 53663), (521, 38934), (618, 32823), (721, 28134), (927, 21882), (1042, 19467), (1442, 14067), (1563, 12978), (1854, 10941), (2163, 9378), (2781, 7294), (3126, 6489), (3647, 5562), (4326, 4689)]