20738172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2713}}^1$

素因数の和:2747

約数の個数: 72

約数和(自身を含む): 60641616

約数和(自身を除く): 39903444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2713, 3822, 5426, 7644, 8139, 10852, 16278, 18991, 32556, 35269, 37982, 56973, 70538, 75964, 105807, 113946, 132937, 141076, 211614, 227892, 246883, 265874, 398811, 423228, 493766, 531748, 740649, 797622, 987532, 1481298, 1595244, 1728181, 2962596, 3456362, 5184543, 6912724, 10369086, 20738172]

約数ペア:

[(1, 20738172), (2, 10369086), (3, 6912724), (4, 5184543), (6, 3456362), (7, 2962596), (12, 1728181), (13, 1595244), (14, 1481298), (21, 987532), (26, 797622), (28, 740649), (39, 531748), (42, 493766), (49, 423228), (52, 398811), (78, 265874), (84, 246883), (91, 227892), (98, 211614), (147, 141076), (156, 132937), (182, 113946), (196, 105807), (273, 75964), (294, 70538), (364, 56973), (546, 37982), (588, 35269), (637, 32556), (1092, 18991), (1274, 16278), (1911, 10852), (2548, 8139), (2713, 7644), (3822, 5426)]