20636265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 35957376

約数和(自身を除く): 15321111

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1091, 1261, 1455, 3273, 3783, 5455, 6305, 14183, 16365, 18915, 42549, 70915, 105827, 212745, 317481, 529135, 1375751, 1587405, 4127253, 6878755, 20636265]

約数ペア:

[(1, 20636265), (3, 6878755), (5, 4127253), (13, 1587405), (15, 1375751), (39, 529135), (65, 317481), (97, 212745), (195, 105827), (291, 70915), (485, 42549), (1091, 18915), (1261, 16365), (1455, 14183), (3273, 6305), (3783, 5455)]