20177021950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{827}}^1\times {\mathrm{5879}}^1$

素因数の和:6801

約数の個数: 48

約数和(自身を含む): 38033815680

約数和(自身を除く): 17856793730

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 827, 830, 1654, 2075, 4135, 4150, 5879, 8270, 11758, 20675, 29395, 41350, 58790, 68641, 137282, 146975, 293950, 343205, 487957, 686410, 975914, 1716025, 2439785, 3432050, 4861933, 4879570, 9723866, 12198925, 24309665, 24397850, 48619330, 121548325, 243096650, 403540439, 807080878, 2017702195, 4035404390, 10088510975, 20177021950]

約数ペア:

[(1, 20177021950), (2, 10088510975), (5, 4035404390), (10, 2017702195), (25, 807080878), (50, 403540439), (83, 243096650), (166, 121548325), (415, 48619330), (827, 24397850), (830, 24309665), (1654, 12198925), (2075, 9723866), (4135, 4879570), (4150, 4861933), (5879, 3432050), (8270, 2439785), (11758, 1716025), (20675, 975914), (29395, 686410), (41350, 487957), (58790, 343205), (68641, 293950), (137282, 146975)]