20507346722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 33592320000

約数和(自身を除く): 13084973278

約数列:

[1, 2, 19, 38, 47, 94, 107, 214, 239, 449, 478, 893, 898, 1786, 2033, 4066, 4541, 5029, 8531, 9082, 10058, 11233, 17062, 21103, 22466, 25573, 42206, 48043, 51146, 95551, 96086, 107311, 191102, 213427, 214622, 400957, 426854, 485887, 801914, 912817, 971774, 1201931, 1825634, 2038909, 2258021, 2403862, 4077818, 4516042, 5043617, 10087234, 11482277, 22836689, 22964554, 42902399, 45673378, 85804798, 95828723, 191657446, 218163263, 436326526, 539667019, 1079334038, 10253673361, 20507346722]

約数ペア:

[(1, 20507346722), (2, 10253673361), (19, 1079334038), (38, 539667019), (47, 436326526), (94, 218163263), (107, 191657446), (214, 95828723), (239, 85804798), (449, 45673378), (478, 42902399), (893, 22964554), (898, 22836689), (1786, 11482277), (2033, 10087234), (4066, 5043617), (4541, 4516042), (5029, 4077818), (8531, 2403862), (9082, 2258021), (10058, 2038909), (11233, 1825634), (17062, 1201931), (21103, 971774), (22466, 912817), (25573, 801914), (42206, 485887), (48043, 426854), (51146, 400957), (95551, 214622), (96086, 213427), (107311, 191102)]