20929064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3797}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 43069320

約数和(自身を除く): 22140256

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3797, 5512, 7594, 15188, 30376, 49361, 98722, 197444, 201241, 394888, 402482, 804964, 1609928, 2616133, 5232266, 10464532, 20929064]

約数ペア:

[(1, 20929064), (2, 10464532), (4, 5232266), (8, 2616133), (13, 1609928), (26, 804964), (52, 402482), (53, 394888), (104, 201241), (106, 197444), (212, 98722), (424, 49361), (689, 30376), (1378, 15188), (2756, 7594), (3797, 5512)]