20899956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22619}}^1$

素因数の和:22644

約数の個数: 48

約数和(自身を含む): 60802560

約数和(自身を除く): 39902604

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22619, 45238, 67857, 90476, 135714, 158333, 248809, 271428, 316666, 474999, 497618, 633332, 746427, 949998, 995236, 1492854, 1741663, 1899996, 2985708, 3483326, 5224989, 6966652, 10449978, 20899956]

約数ペア:

[(1, 20899956), (2, 10449978), (3, 6966652), (4, 5224989), (6, 3483326), (7, 2985708), (11, 1899996), (12, 1741663), (14, 1492854), (21, 995236), (22, 949998), (28, 746427), (33, 633332), (42, 497618), (44, 474999), (66, 316666), (77, 271428), (84, 248809), (132, 158333), (154, 135714), (231, 90476), (308, 67857), (462, 45238), (924, 22619)]