20109101768

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{5113}}^1$

素因数の和:5339

約数の個数: 96

約数和(自身を含む): 44774092800

約数和(自身を除く): 24664991032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 127, 158, 196, 254, 316, 392, 508, 553, 632, 889, 1016, 1106, 1778, 2212, 3556, 3871, 4424, 5113, 6223, 7112, 7742, 10033, 10226, 12446, 15484, 20066, 20452, 24892, 30968, 35791, 40132, 40904, 49784, 70231, 71582, 80264, 140462, 143164, 250537, 280924, 286328, 403927, 491617, 501074, 561848, 649351, 807854, 983234, 1002148, 1298702, 1615708, 1966468, 2004296, 2597404, 2827489, 3231416, 3932936, 4545457, 5194808, 5654978, 9090914, 11309956, 18181828, 19792423, 22619912, 31818199, 36363656, 39584846, 51298729, 63636398, 79169692, 102597458, 127272796, 158339384, 205194916, 254545592, 359091103, 410389832, 718182206, 1436364412, 2513637721, 2872728824, 5027275442, 10054550884, 20109101768]

約数ペア:

[(1, 20109101768), (2, 10054550884), (4, 5027275442), (7, 2872728824), (8, 2513637721), (14, 1436364412), (28, 718182206), (49, 410389832), (56, 359091103), (79, 254545592), (98, 205194916), (127, 158339384), (158, 127272796), (196, 102597458), (254, 79169692), (316, 63636398), (392, 51298729), (508, 39584846), (553, 36363656), (632, 31818199), (889, 22619912), (1016, 19792423), (1106, 18181828), (1778, 11309956), (2212, 9090914), (3556, 5654978), (3871, 5194808), (4424, 4545457), (5113, 3932936), (6223, 3231416), (7112, 2827489), (7742, 2597404), (10033, 2004296), (10226, 1966468), (12446, 1615708), (15484, 1298702), (20066, 1002148), (20452, 983234), (24892, 807854), (30968, 649351), (35791, 561848), (40132, 501074), (40904, 491617), (49784, 403927), (70231, 286328), (71582, 280924), (80264, 250537), (140462, 143164)]