20198063992

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{2609}}^1\times {\mathrm{4049}}^1$

素因数の和:6903

約数の個数: 32

約数和(自身を含む): 38053800000

約数和(自身を除く): 17855736008

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 2609, 4049, 5218, 8098, 10436, 16196, 20872, 32392, 623551, 967711, 1247102, 1935422, 2494204, 3870844, 4988408, 7741688, 10563841, 21127682, 42255364, 84510728, 2524757999, 5049515998, 10099031996, 20198063992]

約数ペア:

[(1, 20198063992), (2, 10099031996), (4, 5049515998), (8, 2524757999), (239, 84510728), (478, 42255364), (956, 21127682), (1912, 10563841), (2609, 7741688), (4049, 4988408), (5218, 3870844), (8098, 2494204), (10436, 1935422), (16196, 1247102), (20872, 967711), (32392, 623551)]