20559679917

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{41141}}^1$

素因数の和:41653

約数の個数: 32

約数和(自身を含む): 31992019200

約数和(自身を除く): 11432339283

約数列:

[1, 3, 7, 21, 53, 159, 371, 449, 1113, 1347, 3143, 9429, 23797, 41141, 71391, 123423, 166579, 287987, 499737, 863961, 2180473, 6541419, 15263311, 18472309, 45789933, 55416927, 129306163, 387918489, 979032377, 2937097131, 6853226639, 20559679917]

約数ペア:

[(1, 20559679917), (3, 6853226639), (7, 2937097131), (21, 979032377), (53, 387918489), (159, 129306163), (371, 55416927), (449, 45789933), (1113, 18472309), (1347, 15263311), (3143, 6541419), (9429, 2180473), (23797, 863961), (41141, 499737), (71391, 287987), (123423, 166579)]