20834170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9601}}^1$

素因数の和:9646

約数の個数: 32

約数和(自身を含む): 44246016

約数和(自身を除く): 23411846

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9601, 19202, 48005, 67207, 96010, 134414, 297631, 336035, 595262, 672070, 1488155, 2083417, 2976310, 4166834, 10417085, 20834170]

約数ペア:

[(1, 20834170), (2, 10417085), (5, 4166834), (7, 2976310), (10, 2083417), (14, 1488155), (31, 672070), (35, 595262), (62, 336035), (70, 297631), (155, 134414), (217, 96010), (310, 67207), (434, 48005), (1085, 19202), (2170, 9601)]