20538495

素因数分解:

$3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{911}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16233345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 167, 501, 835, 911, 1503, 2505, 2733, 4509, 4555, 7515, 8199, 13665, 22545, 24597, 40995, 122985, 152137, 456411, 760685, 1369233, 2282055, 4107699, 6846165, 20538495]

約数ペア:

[(1, 20538495), (3, 6846165), (5, 4107699), (9, 2282055), (15, 1369233), (27, 760685), (45, 456411), (135, 152137), (167, 122985), (501, 40995), (835, 24597), (911, 22545), (1503, 13665), (2505, 8199), (2733, 7515), (4509, 4555)]