20968584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9601}}^1$

素因数の和:9630

約数の個数: 64

約数和(自身を含む): 64525440

約数和(自身を除く): 43556856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9601, 19202, 28803, 38404, 57606, 67207, 76808, 115212, 124813, 134414, 201621, 230424, 249626, 268828, 374439, 403242, 499252, 537656, 748878, 806484, 873691, 998504, 1497756, 1612968, 1747382, 2621073, 2995512, 3494764, 5242146, 6989528, 10484292, 20968584]

約数ペア:

[(1, 20968584), (2, 10484292), (3, 6989528), (4, 5242146), (6, 3494764), (7, 2995512), (8, 2621073), (12, 1747382), (13, 1612968), (14, 1497756), (21, 998504), (24, 873691), (26, 806484), (28, 748878), (39, 537656), (42, 499252), (52, 403242), (56, 374439), (78, 268828), (84, 249626), (91, 230424), (104, 201621), (156, 134414), (168, 124813), (182, 115212), (273, 76808), (312, 67207), (364, 57606), (546, 38404), (728, 28803), (1092, 19202), (2184, 9601)]