12698420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90703}}^1$

素因数の和:90719

約数の個数: 24

約数和(自身を含む): 30476544

約数和(自身を除く): 17778124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90703, 181406, 362812, 453515, 634921, 907030, 1269842, 1814060, 2539684, 3174605, 6349210, 12698420]

約数ペア:

[(1, 12698420), (2, 6349210), (4, 3174605), (5, 2539684), (7, 1814060), (10, 1269842), (14, 907030), (20, 634921), (28, 453515), (35, 362812), (70, 181406), (140, 90703)]