20186770040

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{513397}}^1$

素因数の和:514391

約数の個数: 32

約数和(自身を含む): 45466526880

約数和(自身を除く): 25279756840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3932, 4915, 7864, 9830, 19660, 39320, 513397, 1026794, 2053588, 2566985, 4107176, 5133970, 10267940, 20535880, 504669251, 1009338502, 2018677004, 2523346255, 4037354008, 5046692510, 10093385020, 20186770040]

約数ペア:

[(1, 20186770040), (2, 10093385020), (4, 5046692510), (5, 4037354008), (8, 2523346255), (10, 2018677004), (20, 1009338502), (40, 504669251), (983, 20535880), (1966, 10267940), (3932, 5133970), (4915, 4107176), (7864, 2566985), (9830, 2053588), (19660, 1026794), (39320, 513397)]