20577888

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:506

約数の個数: 120

約数和(自身を含む): 64216152

約数和(自身を除く): 43638264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 288, 306, 324, 408, 432, 459, 467, 544, 612, 648, 816, 864, 918, 934, 1224, 1296, 1377, 1401, 1632, 1836, 1868, 2448, 2592, 2754, 2802, 3672, 3736, 4203, 4896, 5508, 5604, 7344, 7472, 7939, 8406, 11016, 11208, 12609, 14688, 14944, 15878, 16812, 22032, 22416, 23817, 25218, 31756, 33624, 37827, 44064, 44832, 47634, 50436, 63512, 67248, 71451, 75654, 95268, 100872, 127024, 134496, 142902, 151308, 190536, 201744, 214353, 254048, 285804, 302616, 381072, 403488, 428706, 571608, 605232, 643059, 762144, 857412, 1143216, 1210464, 1286118, 1714824, 2286432, 2572236, 3429648, 5144472, 6859296, 10288944, 20577888]

約数ペア:

[(1, 20577888), (2, 10288944), (3, 6859296), (4, 5144472), (6, 3429648), (8, 2572236), (9, 2286432), (12, 1714824), (16, 1286118), (17, 1210464), (18, 1143216), (24, 857412), (27, 762144), (32, 643059), (34, 605232), (36, 571608), (48, 428706), (51, 403488), (54, 381072), (68, 302616), (72, 285804), (81, 254048), (96, 214353), (102, 201744), (108, 190536), (136, 151308), (144, 142902), (153, 134496), (162, 127024), (204, 100872), (216, 95268), (272, 75654), (288, 71451), (306, 67248), (324, 63512), (408, 50436), (432, 47634), (459, 44832), (467, 44064), (544, 37827), (612, 33624), (648, 31756), (816, 25218), (864, 23817), (918, 22416), (934, 22032), (1224, 16812), (1296, 15878), (1377, 14944), (1401, 14688), (1632, 12609), (1836, 11208), (1868, 11016), (2448, 8406), (2592, 7939), (2754, 7472), (2802, 7344), (3672, 5604), (3736, 5508), (4203, 4896)]