20756065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 29237760

約数和(自身を除く): 8481695

約数列:

[1, 5, 11, 17, 55, 79, 85, 187, 281, 395, 869, 935, 1343, 1405, 3091, 4345, 4777, 6715, 14773, 15455, 22199, 23885, 52547, 73865, 110995, 244189, 262735, 377383, 1220945, 1886915, 4151213, 20756065]

約数ペア:

[(1, 20756065), (5, 4151213), (11, 1886915), (17, 1220945), (55, 377383), (79, 262735), (85, 244189), (187, 110995), (281, 73865), (395, 52547), (869, 23885), (935, 22199), (1343, 15455), (1405, 14773), (3091, 6715), (4345, 4777)]