20455888904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{141481}}^1$

素因数の和:141582

約数の個数: 64

約数和(自身を含む): 44006561280

約数和(自身を除く): 23550672376

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 53, 62, 88, 106, 124, 212, 248, 341, 424, 583, 682, 1166, 1364, 1643, 2332, 2728, 3286, 4664, 6572, 13144, 18073, 36146, 72292, 141481, 144584, 282962, 565924, 1131848, 1556291, 3112582, 4385911, 6225164, 7498493, 8771822, 12450328, 14996986, 17543644, 29993972, 35087288, 48245021, 59987944, 82483423, 96490042, 164966846, 192980084, 232453283, 329933692, 385960168, 464906566, 659867384, 929813132, 1859626264, 2556986113, 5113972226, 10227944452, 20455888904]

約数ペア:

[(1, 20455888904), (2, 10227944452), (4, 5113972226), (8, 2556986113), (11, 1859626264), (22, 929813132), (31, 659867384), (44, 464906566), (53, 385960168), (62, 329933692), (88, 232453283), (106, 192980084), (124, 164966846), (212, 96490042), (248, 82483423), (341, 59987944), (424, 48245021), (583, 35087288), (682, 29993972), (1166, 17543644), (1364, 14996986), (1643, 12450328), (2332, 8771822), (2728, 7498493), (3286, 6225164), (4664, 4385911), (6572, 3112582), (13144, 1556291), (18073, 1131848), (36146, 565924), (72292, 282962), (141481, 144584)]