20089395

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14401}}^1$

素因数の和:14443

約数の個数: 24

約数和(自身を含む): 35947392

約数和(自身を除く): 15857997

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14401, 43203, 72005, 129609, 216015, 446431, 648045, 1339293, 2232155, 4017879, 6696465, 20089395]

約数ペア:

[(1, 20089395), (3, 6696465), (5, 4017879), (9, 2232155), (15, 1339293), (31, 648045), (45, 446431), (93, 216015), (155, 129609), (279, 72005), (465, 43203), (1395, 14401)]