20080126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29443}}^1$

素因数の和:29487

約数の個数: 16

約数和(自身を含む): 33919488

約数和(自身を除く): 13839362

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29443, 58886, 323873, 647746, 912733, 1825466, 10040063, 20080126]

約数ペア:

[(1, 20080126), (2, 10040063), (11, 1825466), (22, 912733), (31, 647746), (62, 323873), (341, 58886), (682, 29443)]