20940426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 49369320

約数和(自身を除く): 28428894

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 109, 117, 218, 234, 327, 654, 821, 981, 1417, 1642, 1962, 2463, 2834, 4251, 4926, 7389, 8502, 10673, 12753, 14778, 21346, 25506, 32019, 64038, 89489, 96057, 178978, 192114, 268467, 536934, 805401, 1163357, 1610802, 2326714, 3490071, 6980142, 10470213, 20940426]

約数ペア:

[(1, 20940426), (2, 10470213), (3, 6980142), (6, 3490071), (9, 2326714), (13, 1610802), (18, 1163357), (26, 805401), (39, 536934), (78, 268467), (109, 192114), (117, 178978), (218, 96057), (234, 89489), (327, 64038), (654, 32019), (821, 25506), (981, 21346), (1417, 14778), (1642, 12753), (1962, 10673), (2463, 8502), (2834, 7389), (4251, 4926)]