20825688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66749}}^1$

素因数の和:66771

約数の個数: 32

約数和(自身を含む): 56070000

約数和(自身を除く): 35244312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66749, 133498, 200247, 266996, 400494, 533992, 800988, 867737, 1601976, 1735474, 2603211, 3470948, 5206422, 6941896, 10412844, 20825688]

約数ペア:

[(1, 20825688), (2, 10412844), (3, 6941896), (4, 5206422), (6, 3470948), (8, 2603211), (12, 1735474), (13, 1601976), (24, 867737), (26, 800988), (39, 533992), (52, 400494), (78, 266996), (104, 200247), (156, 133498), (312, 66749)]