20931156

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 57859200

約数和(自身を除く): 36928044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 41, 54, 58, 82, 87, 108, 116, 123, 163, 164, 174, 246, 261, 326, 348, 369, 489, 492, 522, 652, 738, 783, 978, 1044, 1107, 1189, 1467, 1476, 1566, 1956, 2214, 2378, 2934, 3132, 3567, 4401, 4428, 4727, 4756, 5868, 6683, 7134, 8802, 9454, 10701, 13366, 14181, 14268, 17604, 18908, 20049, 21402, 26732, 28362, 32103, 40098, 42543, 42804, 56724, 60147, 64206, 80196, 85086, 120294, 127629, 128412, 170172, 180441, 193807, 240588, 255258, 360882, 387614, 510516, 581421, 721764, 775228, 1162842, 1744263, 2325684, 3488526, 5232789, 6977052, 10465578, 20931156]

約数ペア:

[(1, 20931156), (2, 10465578), (3, 6977052), (4, 5232789), (6, 3488526), (9, 2325684), (12, 1744263), (18, 1162842), (27, 775228), (29, 721764), (36, 581421), (41, 510516), (54, 387614), (58, 360882), (82, 255258), (87, 240588), (108, 193807), (116, 180441), (123, 170172), (163, 128412), (164, 127629), (174, 120294), (246, 85086), (261, 80196), (326, 64206), (348, 60147), (369, 56724), (489, 42804), (492, 42543), (522, 40098), (652, 32103), (738, 28362), (783, 26732), (978, 21402), (1044, 20049), (1107, 18908), (1189, 17604), (1467, 14268), (1476, 14181), (1566, 13366), (1956, 10701), (2214, 9454), (2378, 8802), (2934, 7134), (3132, 6683), (3567, 5868), (4401, 4756), (4428, 4727)]