20216975342

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1\times {\mathrm{1303}}^1$

素因数の和:2208

約数の個数: 32

約数和(自身を含む): 30969269760

約数和(自身を除く): 10752294418

約数列:

[1, 2, 103, 109, 206, 218, 691, 1303, 1382, 2606, 11227, 22454, 71173, 75319, 134209, 142027, 142346, 150638, 268418, 284054, 900373, 1800746, 7757857, 14628781, 15515714, 29257562, 92738419, 98140657, 185476838, 196281314, 10108487671, 20216975342]

約数ペア:

[(1, 20216975342), (2, 10108487671), (103, 196281314), (109, 185476838), (206, 98140657), (218, 92738419), (691, 29257562), (1303, 15515714), (1382, 14628781), (2606, 7757857), (11227, 1800746), (22454, 900373), (71173, 284054), (75319, 268418), (134209, 150638), (142027, 142346)]