20196770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2063}}^1$

素因数の和:2170

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 19927390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 2063, 4126, 4895, 9790, 10315, 20630, 22693, 45386, 113465, 183607, 226930, 367214, 918035, 1836070, 2019677, 4039354, 10098385, 20196770]

約数ペア:

[(1, 20196770), (2, 10098385), (5, 4039354), (10, 2019677), (11, 1836070), (22, 918035), (55, 367214), (89, 226930), (110, 183607), (178, 113465), (445, 45386), (890, 22693), (979, 20630), (1958, 10315), (2063, 9790), (4126, 4895)]