20289088

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5197}}^1$

素因数の和:5270

約数の個数: 28

約数和(自身を含む): 40929052

約数和(自身を除く): 20639964

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5197, 10394, 20788, 41576, 83152, 166304, 317017, 332608, 634034, 1268068, 2536136, 5072272, 10144544, 20289088]

約数ペア:

[(1, 20289088), (2, 10144544), (4, 5072272), (8, 2536136), (16, 1268068), (32, 634034), (61, 332608), (64, 317017), (122, 166304), (244, 83152), (488, 41576), (976, 20788), (1952, 10394), (3904, 5197)]