20673070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 41181696

約数和(自身を除く): 20508626

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2647, 3905, 5294, 7810, 13235, 26470, 29117, 58234, 145585, 187937, 291170, 375874, 939685, 1879370, 2067307, 4134614, 10336535, 20673070]

約数ペア:

[(1, 20673070), (2, 10336535), (5, 4134614), (10, 2067307), (11, 1879370), (22, 939685), (55, 375874), (71, 291170), (110, 187937), (142, 145585), (355, 58234), (710, 29117), (781, 26470), (1562, 13235), (2647, 7810), (3905, 5294)]