20197982

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 15509410

約数列:

[1, 2, 7, 14, 53, 106, 163, 167, 326, 334, 371, 742, 1141, 1169, 2282, 2338, 8639, 8851, 17278, 17702, 27221, 54442, 60473, 61957, 120946, 123914, 190547, 381094, 1442713, 2885426, 10098991, 20197982]

約数ペア:

[(1, 20197982), (2, 10098991), (7, 2885426), (14, 1442713), (53, 381094), (106, 190547), (163, 123914), (167, 120946), (326, 61957), (334, 60473), (371, 54442), (742, 27221), (1141, 17702), (1169, 17278), (2282, 8851), (2338, 8639)]