20101234

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12557966

約数列:

[1, 2, 29, 41, 58, 79, 82, 107, 158, 214, 1189, 2291, 2378, 3103, 3239, 4387, 4582, 6206, 6478, 8453, 8774, 16906, 93931, 127223, 187862, 245137, 254446, 346573, 490274, 693146, 10050617, 20101234]

約数ペア:

[(1, 20101234), (2, 10050617), (29, 693146), (41, 490274), (58, 346573), (79, 254446), (82, 245137), (107, 187862), (158, 127223), (214, 93931), (1189, 16906), (2291, 8774), (2378, 8453), (3103, 6478), (3239, 6206), (4387, 4582)]