20973010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 40010112

約数和(自身を除く): 19037102

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1361, 1541, 2722, 3082, 6805, 7705, 13610, 15410, 31303, 62606, 91187, 156515, 182374, 313030, 455935, 911870, 2097301, 4194602, 10486505, 20973010]

約数ペア:

[(1, 20973010), (2, 10486505), (5, 4194602), (10, 2097301), (23, 911870), (46, 455935), (67, 313030), (115, 182374), (134, 156515), (230, 91187), (335, 62606), (670, 31303), (1361, 15410), (1541, 13610), (2722, 7705), (3082, 6805)]