20469204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 40071276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 1889, 2709, 3612, 3778, 5418, 5667, 7556, 10836, 11334, 13223, 17001, 22668, 26446, 34002, 39669, 52892, 68004, 79338, 81227, 119007, 158676, 162454, 238014, 243681, 324908, 476028, 487362, 568589, 731043, 974724, 1137178, 1462086, 1705767, 2274356, 2924172, 3411534, 5117301, 6823068, 10234602, 20469204]

約数ペア:

[(1, 20469204), (2, 10234602), (3, 6823068), (4, 5117301), (6, 3411534), (7, 2924172), (9, 2274356), (12, 1705767), (14, 1462086), (18, 1137178), (21, 974724), (28, 731043), (36, 568589), (42, 487362), (43, 476028), (63, 324908), (84, 243681), (86, 238014), (126, 162454), (129, 158676), (172, 119007), (252, 81227), (258, 79338), (301, 68004), (387, 52892), (516, 39669), (602, 34002), (774, 26446), (903, 22668), (1204, 17001), (1548, 13223), (1806, 11334), (1889, 10836), (2709, 7556), (3612, 5667), (3778, 5418)]