20123488040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10703983}}^1$

素因数の和:10704041

約数の個数: 32

約数和(自身を含む): 46241210880

約数和(自身を除く): 26117722840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10703983, 21407966, 42815932, 53519915, 85631864, 107039830, 214079660, 428159320, 503087201, 1006174402, 2012348804, 2515436005, 4024697608, 5030872010, 10061744020, 20123488040]

約数ペア:

[(1, 20123488040), (2, 10061744020), (4, 5030872010), (5, 4024697608), (8, 2515436005), (10, 2012348804), (20, 1006174402), (40, 503087201), (47, 428159320), (94, 214079660), (188, 107039830), (235, 85631864), (376, 53519915), (470, 42815932), (940, 21407966), (1880, 10703983)]