20098827

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 37248000

約数和(自身を除く): 17149173

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 87, 133, 171, 189, 193, 203, 261, 399, 513, 551, 579, 609, 783, 1197, 1351, 1653, 1737, 1827, 3591, 3667, 3857, 4053, 4959, 5211, 5481, 5597, 11001, 11571, 12159, 14877, 16791, 25669, 33003, 34713, 36477, 39179, 50373, 77007, 99009, 104139, 106343, 117537, 151119, 231021, 319029, 352611, 693063, 744401, 957087, 1057833, 2233203, 2871261, 6699609, 20098827]

約数ペア:

[(1, 20098827), (3, 6699609), (7, 2871261), (9, 2233203), (19, 1057833), (21, 957087), (27, 744401), (29, 693063), (57, 352611), (63, 319029), (87, 231021), (133, 151119), (171, 117537), (189, 106343), (193, 104139), (203, 99009), (261, 77007), (399, 50373), (513, 39179), (551, 36477), (579, 34713), (609, 33003), (783, 25669), (1197, 16791), (1351, 14877), (1653, 12159), (1737, 11571), (1827, 11001), (3591, 5597), (3667, 5481), (3857, 5211), (4053, 4959)]