20187628872

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1\times {\mathrm{461}}^1$

素因数の和:935

約数の個数: 128

約数和(自身を含む): 52306974720

約数和(自身を除く): 32119345848

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 191, 233, 246, 328, 382, 461, 466, 492, 573, 699, 764, 922, 932, 984, 1146, 1383, 1398, 1528, 1844, 1864, 2292, 2766, 2796, 3688, 4584, 5532, 5592, 7831, 9553, 11064, 15662, 18901, 19106, 23493, 28659, 31324, 37802, 38212, 44503, 46986, 56703, 57318, 62648, 75604, 76424, 88051, 89006, 93972, 107413, 113406, 114636, 133509, 151208, 176102, 178012, 187944, 214826, 226812, 229272, 264153, 267018, 322239, 352204, 356024, 429652, 453624, 528306, 534036, 644478, 704408, 859304, 1056612, 1068072, 1288956, 1824623, 2113224, 2577912, 3610091, 3649246, 4403933, 5473869, 7220182, 7298492, 8807866, 10830273, 10947738, 13211799, 14440364, 14596984, 17615732, 20515883, 21660546, 21895476, 26423598, 28880728, 35231464, 41031766, 43321092, 43790952, 52847196, 61547649, 82063532, 86642184, 105694392, 123095298, 164127064, 246190596, 492381192, 841151203, 1682302406, 2523453609, 3364604812, 5046907218, 6729209624, 10093814436, 20187628872]

約数ペア:

[(1, 20187628872), (2, 10093814436), (3, 6729209624), (4, 5046907218), (6, 3364604812), (8, 2523453609), (12, 1682302406), (24, 841151203), (41, 492381192), (82, 246190596), (123, 164127064), (164, 123095298), (191, 105694392), (233, 86642184), (246, 82063532), (328, 61547649), (382, 52847196), (461, 43790952), (466, 43321092), (492, 41031766), (573, 35231464), (699, 28880728), (764, 26423598), (922, 21895476), (932, 21660546), (984, 20515883), (1146, 17615732), (1383, 14596984), (1398, 14440364), (1528, 13211799), (1844, 10947738), (1864, 10830273), (2292, 8807866), (2766, 7298492), (2796, 7220182), (3688, 5473869), (4584, 4403933), (5532, 3649246), (5592, 3610091), (7831, 2577912), (9553, 2113224), (11064, 1824623), (15662, 1288956), (18901, 1068072), (19106, 1056612), (23493, 859304), (28659, 704408), (31324, 644478), (37802, 534036), (38212, 528306), (44503, 453624), (46986, 429652), (56703, 356024), (57318, 352204), (62648, 322239), (75604, 267018), (76424, 264153), (88051, 229272), (89006, 226812), (93972, 214826), (107413, 187944), (113406, 178012), (114636, 176102), (133509, 151208)]