20593818

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 34180902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 49, 54, 63, 86, 98, 126, 129, 147, 181, 189, 258, 294, 301, 362, 378, 387, 441, 543, 602, 774, 882, 903, 1086, 1161, 1267, 1323, 1629, 1806, 2107, 2322, 2534, 2646, 2709, 3258, 3801, 4214, 4887, 5418, 6321, 7602, 7783, 8127, 8869, 9774, 11403, 12642, 15566, 16254, 17738, 18963, 22806, 23349, 26607, 34209, 37926, 46698, 53214, 54481, 56889, 68418, 70047, 79821, 108962, 113778, 140094, 159642, 163443, 210141, 239463, 326886, 381367, 420282, 478926, 490329, 762734, 980658, 1144101, 1470987, 2288202, 2941974, 3432303, 6864606, 10296909, 20593818]

約数ペア:

[(1, 20593818), (2, 10296909), (3, 6864606), (6, 3432303), (7, 2941974), (9, 2288202), (14, 1470987), (18, 1144101), (21, 980658), (27, 762734), (42, 490329), (43, 478926), (49, 420282), (54, 381367), (63, 326886), (86, 239463), (98, 210141), (126, 163443), (129, 159642), (147, 140094), (181, 113778), (189, 108962), (258, 79821), (294, 70047), (301, 68418), (362, 56889), (378, 54481), (387, 53214), (441, 46698), (543, 37926), (602, 34209), (774, 26607), (882, 23349), (903, 22806), (1086, 18963), (1161, 17738), (1267, 16254), (1323, 15566), (1629, 12642), (1806, 11403), (2107, 9774), (2322, 8869), (2534, 8127), (2646, 7783), (2709, 7602), (3258, 6321), (3801, 5418), (4214, 4887)]