20147393968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{125959}}^1$

素因数の和:126749

約数の個数: 40

約数和(自身を含む): 42093312800

約数和(自身を除く): 21945918832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 769, 1538, 3076, 6152, 9997, 12304, 19994, 39988, 79976, 125959, 159952, 251918, 503836, 1007672, 1637467, 2015344, 3274934, 6549868, 13099736, 26199472, 96862471, 193724942, 387449884, 774899768, 1259212123, 1549799536, 2518424246, 5036848492, 10073696984, 20147393968]

約数ペア:

[(1, 20147393968), (2, 10073696984), (4, 5036848492), (8, 2518424246), (13, 1549799536), (16, 1259212123), (26, 774899768), (52, 387449884), (104, 193724942), (208, 96862471), (769, 26199472), (1538, 13099736), (3076, 6549868), (6152, 3274934), (9997, 2015344), (12304, 1637467), (19994, 1007672), (39988, 503836), (79976, 251918), (125959, 159952)]