20481984

素因数分解:

$2^6\times 3^6\times {\mathrm{439}}^1$

素因数の和:469

約数の個数: 98

約数和(自身を含む): 61076840

約数和(自身を除く): 40594856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 243, 288, 324, 432, 439, 486, 576, 648, 729, 864, 878, 972, 1296, 1317, 1458, 1728, 1756, 1944, 2592, 2634, 2916, 3512, 3888, 3951, 5184, 5268, 5832, 7024, 7776, 7902, 10536, 11664, 11853, 14048, 15552, 15804, 21072, 23328, 23706, 28096, 31608, 35559, 42144, 46656, 47412, 63216, 71118, 84288, 94824, 106677, 126432, 142236, 189648, 213354, 252864, 284472, 320031, 379296, 426708, 568944, 640062, 758592, 853416, 1137888, 1280124, 1706832, 2275776, 2560248, 3413664, 5120496, 6827328, 10240992, 20481984]

約数ペア:

[(1, 20481984), (2, 10240992), (3, 6827328), (4, 5120496), (6, 3413664), (8, 2560248), (9, 2275776), (12, 1706832), (16, 1280124), (18, 1137888), (24, 853416), (27, 758592), (32, 640062), (36, 568944), (48, 426708), (54, 379296), (64, 320031), (72, 284472), (81, 252864), (96, 213354), (108, 189648), (144, 142236), (162, 126432), (192, 106677), (216, 94824), (243, 84288), (288, 71118), (324, 63216), (432, 47412), (439, 46656), (486, 42144), (576, 35559), (648, 31608), (729, 28096), (864, 23706), (878, 23328), (972, 21072), (1296, 15804), (1317, 15552), (1458, 14048), (1728, 11853), (1756, 11664), (1944, 10536), (2592, 7902), (2634, 7776), (2916, 7024), (3512, 5832), (3888, 5268), (3951, 5184)]