20263905

素因数分解:

$3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 36211200

約数和(自身を除く): 15947295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 367, 409, 1101, 1227, 1835, 2045, 3303, 3681, 5505, 6135, 9909, 11043, 16515, 18405, 49545, 55215, 150103, 450309, 750515, 1350927, 2251545, 4052781, 6754635, 20263905]

約数ペア:

[(1, 20263905), (3, 6754635), (5, 4052781), (9, 2251545), (15, 1350927), (27, 750515), (45, 450309), (135, 150103), (367, 55215), (409, 49545), (1101, 18405), (1227, 16515), (1835, 11043), (2045, 9909), (3303, 6135), (3681, 5505)]