20731061256

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{25657}}^1$

素因数の和:26054

約数の個数: 64

約数和(自身を含む): 52428530880

約数和(自身を除く): 31697469624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 257, 262, 393, 514, 524, 771, 786, 1028, 1048, 1542, 1572, 2056, 3084, 3144, 6168, 25657, 33667, 51314, 67334, 76971, 101001, 102628, 134668, 153942, 202002, 205256, 269336, 307884, 404004, 615768, 808008, 3361067, 6593849, 6722134, 10083201, 13187698, 13444268, 19781547, 20166402, 26375396, 26888536, 39563094, 40332804, 52750792, 79126188, 80665608, 158252376, 863794219, 1727588438, 2591382657, 3455176876, 5182765314, 6910353752, 10365530628, 20731061256]

約数ペア:

[(1, 20731061256), (2, 10365530628), (3, 6910353752), (4, 5182765314), (6, 3455176876), (8, 2591382657), (12, 1727588438), (24, 863794219), (131, 158252376), (257, 80665608), (262, 79126188), (393, 52750792), (514, 40332804), (524, 39563094), (771, 26888536), (786, 26375396), (1028, 20166402), (1048, 19781547), (1542, 13444268), (1572, 13187698), (2056, 10083201), (3084, 6722134), (3144, 6593849), (6168, 3361067), (25657, 808008), (33667, 615768), (51314, 404004), (67334, 307884), (76971, 269336), (101001, 205256), (102628, 202002), (134668, 153942)]