20553611764

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{56479}}^1$

素因数の和:56848

約数の個数: 48

約数和(自身を含む): 42243425280

約数和(自身を除く): 21689813516

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 317, 574, 634, 1148, 1268, 2219, 4438, 8876, 12997, 25994, 51988, 56479, 90979, 112958, 181958, 225916, 363916, 395353, 790706, 1581412, 2315639, 4631278, 9262556, 16209473, 17903843, 32418946, 35807686, 64837892, 71615372, 125326901, 250653802, 501307604, 734057563, 1468115126, 2936230252, 5138402941, 10276805882, 20553611764]

約数ペア:

[(1, 20553611764), (2, 10276805882), (4, 5138402941), (7, 2936230252), (14, 1468115126), (28, 734057563), (41, 501307604), (82, 250653802), (164, 125326901), (287, 71615372), (317, 64837892), (574, 35807686), (634, 32418946), (1148, 17903843), (1268, 16209473), (2219, 9262556), (4438, 4631278), (8876, 2315639), (12997, 1581412), (25994, 790706), (51988, 395353), (56479, 363916), (90979, 225916), (112958, 181958)]