20180681388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{138311}}^1$

素因数の和:138524

約数の個数: 96

約数和(自身を含む): 60104862720

約数和(自身を除く): 39924181332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 193, 252, 378, 386, 579, 756, 772, 1158, 1351, 1737, 2316, 2702, 3474, 4053, 5211, 5404, 6948, 8106, 10422, 12159, 16212, 20844, 24318, 36477, 48636, 72954, 138311, 145908, 276622, 414933, 553244, 829866, 968177, 1244799, 1659732, 1936354, 2489598, 2904531, 3734397, 3872708, 4979196, 5809062, 7468794, 8713593, 11618124, 14937588, 17427186, 26140779, 26694023, 34854372, 52281558, 53388046, 80082069, 104563116, 106776092, 160164138, 186858161, 240246207, 320328276, 373716322, 480492414, 560574483, 720738621, 747432644, 960984828, 1121148966, 1441477242, 1681723449, 2242297932, 2882954484, 3363446898, 5045170347, 6726893796, 10090340694, 20180681388]

約数ペア:

[(1, 20180681388), (2, 10090340694), (3, 6726893796), (4, 5045170347), (6, 3363446898), (7, 2882954484), (9, 2242297932), (12, 1681723449), (14, 1441477242), (18, 1121148966), (21, 960984828), (27, 747432644), (28, 720738621), (36, 560574483), (42, 480492414), (54, 373716322), (63, 320328276), (84, 240246207), (108, 186858161), (126, 160164138), (189, 106776092), (193, 104563116), (252, 80082069), (378, 53388046), (386, 52281558), (579, 34854372), (756, 26694023), (772, 26140779), (1158, 17427186), (1351, 14937588), (1737, 11618124), (2316, 8713593), (2702, 7468794), (3474, 5809062), (4053, 4979196), (5211, 3872708), (5404, 3734397), (6948, 2904531), (8106, 2489598), (10422, 1936354), (12159, 1659732), (16212, 1244799), (20844, 968177), (24318, 829866), (36477, 553244), (48636, 414933), (72954, 276622), (138311, 145908)]