20197632040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1919927}}^1$

素因数の和:1920201

約数の個数: 32

約数和(自身を含む): 45617489280

約数和(自身を除く): 25419857240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 1919927, 3839854, 7679708, 9599635, 15359416, 19199270, 38398540, 76797080, 504940801, 1009881602, 2019763204, 2524704005, 4039526408, 5049408010, 10098816020, 20197632040]

約数ペア:

[(1, 20197632040), (2, 10098816020), (4, 5049408010), (5, 4039526408), (8, 2524704005), (10, 2019763204), (20, 1009881602), (40, 504940801), (263, 76797080), (526, 38398540), (1052, 19199270), (1315, 15359416), (2104, 9599635), (2630, 7679708), (5260, 3839854), (10520, 1919927)]