20964768

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19853}}^1$

素因数の和:19877

約数の個数: 48

約数和(自身を含む): 60038496

約数和(自身を除く): 39073728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19853, 39706, 59559, 79412, 119118, 158824, 218383, 238236, 317648, 436766, 476472, 635296, 655149, 873532, 952944, 1310298, 1747064, 1905888, 2620596, 3494128, 5241192, 6988256, 10482384, 20964768]

約数ペア:

[(1, 20964768), (2, 10482384), (3, 6988256), (4, 5241192), (6, 3494128), (8, 2620596), (11, 1905888), (12, 1747064), (16, 1310298), (22, 952944), (24, 873532), (32, 655149), (33, 635296), (44, 476472), (48, 436766), (66, 317648), (88, 238236), (96, 218383), (132, 158824), (176, 119118), (264, 79412), (352, 59559), (528, 39706), (1056, 19853)]