20307846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 46932480

約数和(自身を除く): 26624634

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 71, 78, 114, 142, 193, 213, 247, 386, 426, 494, 579, 741, 923, 1158, 1349, 1482, 1846, 2509, 2698, 2769, 3667, 4047, 5018, 5538, 7334, 7527, 8094, 11001, 13703, 15054, 17537, 22002, 27406, 35074, 41109, 47671, 52611, 82218, 95342, 105222, 143013, 178139, 260357, 286026, 356278, 520714, 534417, 781071, 1068834, 1562142, 3384641, 6769282, 10153923, 20307846]

約数ペア:

[(1, 20307846), (2, 10153923), (3, 6769282), (6, 3384641), (13, 1562142), (19, 1068834), (26, 781071), (38, 534417), (39, 520714), (57, 356278), (71, 286026), (78, 260357), (114, 178139), (142, 143013), (193, 105222), (213, 95342), (247, 82218), (386, 52611), (426, 47671), (494, 41109), (579, 35074), (741, 27406), (923, 22002), (1158, 17537), (1349, 15054), (1482, 13703), (1846, 11001), (2509, 8094), (2698, 7527), (2769, 7334), (3667, 5538), (4047, 5018)]