20060255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 27537408

約数和(自身を除く): 7477153

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 331, 391, 527, 713, 1655, 1955, 2635, 3565, 5627, 7613, 10261, 12121, 28135, 38065, 51305, 60605, 129421, 174437, 236003, 647105, 872185, 1180015, 4012051, 20060255]

約数ペア:

[(1, 20060255), (5, 4012051), (17, 1180015), (23, 872185), (31, 647105), (85, 236003), (115, 174437), (155, 129421), (331, 60605), (391, 51305), (527, 38065), (713, 28135), (1655, 12121), (1955, 10261), (2635, 7613), (3565, 5627)]