20781852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19031}}^1$

素因数の和:19058

約数の個数: 48

約数和(自身を含む): 59684352

約数和(自身を除く): 38902500

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19031, 38062, 57093, 76124, 114186, 133217, 228372, 247403, 266434, 399651, 494806, 532868, 742209, 799302, 989612, 1484418, 1598604, 1731821, 2968836, 3463642, 5195463, 6927284, 10390926, 20781852]

約数ペア:

[(1, 20781852), (2, 10390926), (3, 6927284), (4, 5195463), (6, 3463642), (7, 2968836), (12, 1731821), (13, 1598604), (14, 1484418), (21, 989612), (26, 799302), (28, 742209), (39, 532868), (42, 494806), (52, 399651), (78, 266434), (84, 247403), (91, 228372), (156, 133217), (182, 114186), (273, 76124), (364, 57093), (546, 38062), (1092, 19031)]