20731812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 51609600

約数和(自身を除く): 30877788

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 114, 158, 228, 237, 316, 474, 948, 1151, 1501, 2302, 3002, 3453, 4503, 4604, 6004, 6906, 9006, 13812, 18012, 21869, 43738, 65607, 87476, 90929, 131214, 181858, 262428, 272787, 363716, 545574, 1091148, 1727651, 3455302, 5182953, 6910604, 10365906, 20731812]

約数ペア:

[(1, 20731812), (2, 10365906), (3, 6910604), (4, 5182953), (6, 3455302), (12, 1727651), (19, 1091148), (38, 545574), (57, 363716), (76, 272787), (79, 262428), (114, 181858), (158, 131214), (228, 90929), (237, 87476), (316, 65607), (474, 43738), (948, 21869), (1151, 18012), (1501, 13812), (2302, 9006), (3002, 6906), (3453, 6004), (4503, 4604)]