20477664

素因数分解:

$2^5\times 3^3\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 60510240

約数和(自身を除く): 40032576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 137, 144, 173, 216, 274, 288, 346, 411, 432, 519, 548, 692, 822, 864, 1038, 1096, 1233, 1384, 1557, 1644, 2076, 2192, 2466, 2768, 3114, 3288, 3699, 4152, 4384, 4671, 4932, 5536, 6228, 6576, 7398, 8304, 9342, 9864, 12456, 13152, 14796, 16608, 18684, 19728, 23701, 24912, 29592, 37368, 39456, 47402, 49824, 59184, 71103, 74736, 94804, 118368, 142206, 149472, 189608, 213309, 284412, 379216, 426618, 568824, 639927, 758432, 853236, 1137648, 1279854, 1706472, 2275296, 2559708, 3412944, 5119416, 6825888, 10238832, 20477664]

約数ペア:

[(1, 20477664), (2, 10238832), (3, 6825888), (4, 5119416), (6, 3412944), (8, 2559708), (9, 2275296), (12, 1706472), (16, 1279854), (18, 1137648), (24, 853236), (27, 758432), (32, 639927), (36, 568824), (48, 426618), (54, 379216), (72, 284412), (96, 213309), (108, 189608), (137, 149472), (144, 142206), (173, 118368), (216, 94804), (274, 74736), (288, 71103), (346, 59184), (411, 49824), (432, 47402), (519, 39456), (548, 37368), (692, 29592), (822, 24912), (864, 23701), (1038, 19728), (1096, 18684), (1233, 16608), (1384, 14796), (1557, 13152), (1644, 12456), (2076, 9864), (2192, 9342), (2466, 8304), (2768, 7398), (3114, 6576), (3288, 6228), (3699, 5536), (4152, 4932), (4384, 4671)]