20925645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15362355

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 239, 449, 717, 1195, 1347, 2245, 3107, 3585, 5837, 6735, 9321, 15535, 17511, 29185, 46605, 87555, 107311, 321933, 536555, 1395043, 1609665, 4185129, 6975215, 20925645]

約数ペア:

[(1, 20925645), (3, 6975215), (5, 4185129), (13, 1609665), (15, 1395043), (39, 536555), (65, 321933), (195, 107311), (239, 87555), (449, 46605), (717, 29185), (1195, 17511), (1347, 15535), (2245, 9321), (3107, 6735), (3585, 5837)]