20004886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 35108640

約数和(自身を除く): 15103754

約数列:

[1, 2, 11, 17, 22, 34, 89, 178, 187, 374, 601, 979, 1202, 1513, 1958, 3026, 6611, 10217, 13222, 16643, 20434, 33286, 53489, 106978, 112387, 224774, 588379, 909313, 1176758, 1818626, 10002443, 20004886]

約数ペア:

[(1, 20004886), (2, 10002443), (11, 1818626), (17, 1176758), (22, 909313), (34, 588379), (89, 224774), (178, 112387), (187, 106978), (374, 53489), (601, 33286), (979, 20434), (1202, 16643), (1513, 13222), (1958, 10217), (3026, 6611)]