20734604816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{95071}}^1$

素因数の和:95439

約数の個数: 40

約数和(自身を含む): 41237670144

約数和(自身を除く): 20503065328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 317, 344, 634, 688, 1268, 2536, 5072, 13631, 27262, 54524, 95071, 109048, 190142, 218096, 380284, 760568, 1521136, 4088053, 8176106, 16352212, 30137507, 32704424, 60275014, 65408848, 120550028, 241100056, 482200112, 1295912801, 2591825602, 5183651204, 10367302408, 20734604816]

約数ペア:

[(1, 20734604816), (2, 10367302408), (4, 5183651204), (8, 2591825602), (16, 1295912801), (43, 482200112), (86, 241100056), (172, 120550028), (317, 65408848), (344, 60275014), (634, 32704424), (688, 30137507), (1268, 16352212), (2536, 8176106), (5072, 4088053), (13631, 1521136), (27262, 760568), (54524, 380284), (95071, 218096), (109048, 190142)]