12920486

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2503}}^1$

素因数の和:2623

約数の個数: 16

約数和(自身を含む): 20282400

約数和(自身を除く): 7361914

約数列:

[1, 2, 29, 58, 89, 178, 2503, 2581, 5006, 5162, 72587, 145174, 222767, 445534, 6460243, 12920486]

約数ペア:

[(1, 12920486), (2, 6460243), (29, 445534), (58, 222767), (89, 145174), (178, 72587), (2503, 5162), (2581, 5006)]