20309744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 51737760

約数和(自身を除く): 31428016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 37, 52, 56, 58, 74, 91, 104, 112, 116, 148, 169, 182, 203, 208, 232, 259, 296, 338, 364, 377, 406, 464, 481, 518, 592, 676, 728, 754, 812, 962, 1036, 1073, 1183, 1352, 1456, 1508, 1624, 1924, 2072, 2146, 2366, 2639, 2704, 3016, 3248, 3367, 3848, 4144, 4292, 4732, 4901, 5278, 6032, 6253, 6734, 7511, 7696, 8584, 9464, 9802, 10556, 12506, 13468, 13949, 15022, 17168, 18928, 19604, 21112, 25012, 26936, 27898, 30044, 34307, 39208, 42224, 43771, 50024, 53872, 55796, 60088, 68614, 78416, 87542, 97643, 100048, 111592, 120176, 137228, 175084, 181337, 195286, 223184, 274456, 350168, 362674, 390572, 548912, 700336, 725348, 781144, 1269359, 1450696, 1562288, 2538718, 2901392, 5077436, 10154872, 20309744]

約数ペア:

[(1, 20309744), (2, 10154872), (4, 5077436), (7, 2901392), (8, 2538718), (13, 1562288), (14, 1450696), (16, 1269359), (26, 781144), (28, 725348), (29, 700336), (37, 548912), (52, 390572), (56, 362674), (58, 350168), (74, 274456), (91, 223184), (104, 195286), (112, 181337), (116, 175084), (148, 137228), (169, 120176), (182, 111592), (203, 100048), (208, 97643), (232, 87542), (259, 78416), (296, 68614), (338, 60088), (364, 55796), (377, 53872), (406, 50024), (464, 43771), (481, 42224), (518, 39208), (592, 34307), (676, 30044), (728, 27898), (754, 26936), (812, 25012), (962, 21112), (1036, 19604), (1073, 18928), (1183, 17168), (1352, 15022), (1456, 13949), (1508, 13468), (1624, 12506), (1924, 10556), (2072, 9802), (2146, 9464), (2366, 8584), (2639, 7696), (2704, 7511), (3016, 6734), (3248, 6253), (3367, 6032), (3848, 5278), (4144, 4901), (4292, 4732)]