20683485

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 36960000

約数和(自身を除く): 16276515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 439, 1047, 1317, 1745, 2195, 3141, 3951, 5235, 6585, 9423, 11853, 15705, 19755, 47115, 59265, 153211, 459633, 766055, 1378899, 2298165, 4136697, 6894495, 20683485]

約数ペア:

[(1, 20683485), (3, 6894495), (5, 4136697), (9, 2298165), (15, 1378899), (27, 766055), (45, 459633), (135, 153211), (349, 59265), (439, 47115), (1047, 19755), (1317, 15705), (1745, 11853), (2195, 9423), (3141, 6585), (3951, 5235)]