20681568

素因数分解:

$2^5\times 3^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 120

約数和(自身を含む): 62203680

約数和(自身を除く): 41522112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 79, 81, 96, 101, 108, 144, 158, 162, 202, 216, 237, 288, 303, 316, 324, 404, 432, 474, 606, 632, 648, 711, 808, 864, 909, 948, 1212, 1264, 1296, 1422, 1616, 1818, 1896, 2133, 2424, 2528, 2592, 2727, 2844, 3232, 3636, 3792, 4266, 4848, 5454, 5688, 6399, 7272, 7584, 7979, 8181, 8532, 9696, 10908, 11376, 12798, 14544, 15958, 16362, 17064, 21816, 22752, 23937, 25596, 29088, 31916, 32724, 34128, 43632, 47874, 51192, 63832, 65448, 68256, 71811, 87264, 95748, 102384, 127664, 130896, 143622, 191496, 204768, 215433, 255328, 261792, 287244, 382992, 430866, 574488, 646299, 765984, 861732, 1148976, 1292598, 1723464, 2297952, 2585196, 3446928, 5170392, 6893856, 10340784, 20681568]

約数ペア:

[(1, 20681568), (2, 10340784), (3, 6893856), (4, 5170392), (6, 3446928), (8, 2585196), (9, 2297952), (12, 1723464), (16, 1292598), (18, 1148976), (24, 861732), (27, 765984), (32, 646299), (36, 574488), (48, 430866), (54, 382992), (72, 287244), (79, 261792), (81, 255328), (96, 215433), (101, 204768), (108, 191496), (144, 143622), (158, 130896), (162, 127664), (202, 102384), (216, 95748), (237, 87264), (288, 71811), (303, 68256), (316, 65448), (324, 63832), (404, 51192), (432, 47874), (474, 43632), (606, 34128), (632, 32724), (648, 31916), (711, 29088), (808, 25596), (864, 23937), (909, 22752), (948, 21816), (1212, 17064), (1264, 16362), (1296, 15958), (1422, 14544), (1616, 12798), (1818, 11376), (1896, 10908), (2133, 9696), (2424, 8532), (2528, 8181), (2592, 7979), (2727, 7584), (2844, 7272), (3232, 6399), (3636, 5688), (3792, 5454), (4266, 4848)]