16220144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{16619}}^1$

素因数の和:16688

約数の個数: 20

約数和(自身を含む): 31943640

約数和(自身を除く): 15723496

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 16619, 33238, 66476, 132952, 265904, 1013759, 2027518, 4055036, 8110072, 16220144]

約数ペア:

[(1, 16220144), (2, 8110072), (4, 4055036), (8, 2027518), (16, 1013759), (61, 265904), (122, 132952), (244, 66476), (488, 33238), (976, 16619)]