20951574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 30335466

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 69, 82, 123, 138, 161, 246, 287, 322, 483, 529, 574, 861, 943, 966, 1058, 1587, 1722, 1886, 2829, 3174, 3703, 5658, 6601, 7406, 11109, 12167, 13202, 19803, 21689, 22218, 24334, 36501, 39606, 43378, 65067, 73002, 85169, 130134, 151823, 170338, 255507, 303646, 455469, 498847, 511014, 910938, 997694, 1496541, 2993082, 3491929, 6983858, 10475787, 20951574]

約数ペア:

[(1, 20951574), (2, 10475787), (3, 6983858), (6, 3491929), (7, 2993082), (14, 1496541), (21, 997694), (23, 910938), (41, 511014), (42, 498847), (46, 455469), (69, 303646), (82, 255507), (123, 170338), (138, 151823), (161, 130134), (246, 85169), (287, 73002), (322, 65067), (483, 43378), (529, 39606), (574, 36501), (861, 24334), (943, 22218), (966, 21689), (1058, 19803), (1587, 13202), (1722, 12167), (1886, 11109), (2829, 7406), (3174, 6601), (3703, 5658)]