20103345

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14411}}^1$

素因数の和:14453

約数の個数: 24

約数和(自身を含む): 35972352

約数和(自身を除く): 15869007

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14411, 43233, 72055, 129699, 216165, 446741, 648495, 1340223, 2233705, 4020669, 6701115, 20103345]

約数ペア:

[(1, 20103345), (3, 6701115), (5, 4020669), (9, 2233705), (15, 1340223), (31, 648495), (45, 446741), (93, 216165), (155, 129699), (279, 72055), (465, 43233), (1395, 14411)]