20082176

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:722

約数の個数: 40

約数和(自身を含む): 40846344

約数和(自身を除く): 20764168

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 643, 976, 1286, 1952, 2572, 3904, 5144, 7808, 10288, 15616, 20576, 31232, 39223, 41152, 78446, 82304, 156892, 164608, 313784, 329216, 627568, 1255136, 2510272, 5020544, 10041088, 20082176]

約数ペア:

[(1, 20082176), (2, 10041088), (4, 5020544), (8, 2510272), (16, 1255136), (32, 627568), (61, 329216), (64, 313784), (122, 164608), (128, 156892), (244, 82304), (256, 78446), (488, 41152), (512, 39223), (643, 31232), (976, 20576), (1286, 15616), (1952, 10288), (2572, 7808), (3904, 5144)]