20176441360

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{795601}}^1$

素因数の和:795931

約数の個数: 40

約数和(自身を含む): 47058267096

約数和(自身を除く): 26881825736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 12680, 25360, 795601, 1591202, 3182404, 3978005, 6364808, 7956010, 12729616, 15912020, 31824040, 63648080, 252205517, 504411034, 1008822068, 1261027585, 2017644136, 2522055170, 4035288272, 5044110340, 10088220680, 20176441360]

約数ペア:

[(1, 20176441360), (2, 10088220680), (4, 5044110340), (5, 4035288272), (8, 2522055170), (10, 2017644136), (16, 1261027585), (20, 1008822068), (40, 504411034), (80, 252205517), (317, 63648080), (634, 31824040), (1268, 15912020), (1585, 12729616), (2536, 7956010), (3170, 6364808), (5072, 3978005), (6340, 3182404), (12680, 1591202), (25360, 795601)]