20218495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 27847008

約数和(自身を除く): 7628513

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1453, 2783, 7265, 13915, 15983, 33419, 79915, 167095, 175813, 367609, 879065, 1838045, 4043699, 20218495]

約数ペア:

[(1, 20218495), (5, 4043699), (11, 1838045), (23, 879065), (55, 367609), (115, 175813), (121, 167095), (253, 79915), (605, 33419), (1265, 15983), (1453, 13915), (2783, 7265)]