20651352

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20011}}^1$

素因数の和:20063

約数の個数: 32

約数和(自身を含む): 52831680

約数和(自身を除く): 32180328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20011, 40022, 60033, 80044, 120066, 160088, 240132, 480264, 860473, 1720946, 2581419, 3441892, 5162838, 6883784, 10325676, 20651352]

約数ペア:

[(1, 20651352), (2, 10325676), (3, 6883784), (4, 5162838), (6, 3441892), (8, 2581419), (12, 1720946), (24, 860473), (43, 480264), (86, 240132), (129, 160088), (172, 120066), (258, 80044), (344, 60033), (516, 40022), (1032, 20011)]