19996970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{617}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 41292288

約数和(自身を除く): 21295318

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 463, 617, 926, 1234, 2315, 3085, 3241, 4319, 4630, 6170, 6482, 8638, 16205, 21595, 32410, 43190, 285671, 571342, 1428355, 1999697, 2856710, 3999394, 9998485, 19996970]

約数ペア:

[(1, 19996970), (2, 9998485), (5, 3999394), (7, 2856710), (10, 1999697), (14, 1428355), (35, 571342), (70, 285671), (463, 43190), (617, 32410), (926, 21595), (1234, 16205), (2315, 8638), (3085, 6482), (3241, 6170), (4319, 4630)]