20628984

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 54452520

約数和(自身を除く): 33823536

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2166, 2381, 2888, 4332, 4762, 7143, 8664, 9524, 14286, 19048, 28572, 45239, 57144, 90478, 135717, 180956, 271434, 361912, 542868, 859541, 1085736, 1719082, 2578623, 3438164, 5157246, 6876328, 10314492, 20628984]

約数ペア:

[(1, 20628984), (2, 10314492), (3, 6876328), (4, 5157246), (6, 3438164), (8, 2578623), (12, 1719082), (19, 1085736), (24, 859541), (38, 542868), (57, 361912), (76, 271434), (114, 180956), (152, 135717), (228, 90478), (361, 57144), (456, 45239), (722, 28572), (1083, 19048), (1444, 14286), (2166, 9524), (2381, 8664), (2888, 7143), (4332, 4762)]