20120855445

素因数分解:

$3^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{388471}}^1$

素因数の和:389633

約数の個数: 24

約数和(自身を含む): 34906540032

約数和(自身を除く): 14785684587

約数列:

[1, 3, 5, 9, 15, 45, 1151, 3453, 5755, 10359, 17265, 51795, 388471, 1165413, 1942355, 3496239, 5827065, 17481195, 447130121, 1341390363, 2235650605, 4024171089, 6706951815, 20120855445]

約数ペア:

[(1, 20120855445), (3, 6706951815), (5, 4024171089), (9, 2235650605), (15, 1341390363), (45, 447130121), (1151, 17481195), (3453, 5827065), (5755, 3496239), (10359, 1942355), (17265, 1165413), (51795, 388471)]