20525256

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 60442200

約数和(自身を除く): 39916944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 41, 51, 68, 72, 82, 102, 123, 136, 153, 164, 204, 246, 306, 328, 369, 408, 409, 492, 612, 697, 738, 818, 984, 1224, 1227, 1394, 1476, 1636, 2091, 2454, 2788, 2952, 3272, 3681, 4182, 4908, 5576, 6273, 6953, 7362, 8364, 9816, 12546, 13906, 14724, 16728, 16769, 20859, 25092, 27812, 29448, 33538, 41718, 50184, 50307, 55624, 62577, 67076, 83436, 100614, 125154, 134152, 150921, 166872, 201228, 250308, 285073, 301842, 402456, 500616, 570146, 603684, 855219, 1140292, 1207368, 1710438, 2280584, 2565657, 3420876, 5131314, 6841752, 10262628, 20525256]

約数ペア:

[(1, 20525256), (2, 10262628), (3, 6841752), (4, 5131314), (6, 3420876), (8, 2565657), (9, 2280584), (12, 1710438), (17, 1207368), (18, 1140292), (24, 855219), (34, 603684), (36, 570146), (41, 500616), (51, 402456), (68, 301842), (72, 285073), (82, 250308), (102, 201228), (123, 166872), (136, 150921), (153, 134152), (164, 125154), (204, 100614), (246, 83436), (306, 67076), (328, 62577), (369, 55624), (408, 50307), (409, 50184), (492, 41718), (612, 33538), (697, 29448), (738, 27812), (818, 25092), (984, 20859), (1224, 16769), (1227, 16728), (1394, 14724), (1476, 13906), (1636, 12546), (2091, 9816), (2454, 8364), (2788, 7362), (2952, 6953), (3272, 6273), (3681, 5576), (4182, 4908)]