20694062

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1243

約数の個数: 16

約数和(自身を含む): 31819392

約数和(自身を除く): 11125330

約数列:

[1, 2, 53, 106, 197, 394, 991, 1982, 10441, 20882, 52523, 105046, 195227, 390454, 10347031, 20694062]

約数ペア:

[(1, 20694062), (2, 10347031), (53, 390454), (106, 195227), (197, 105046), (394, 52523), (991, 20882), (1982, 10441)]