20414639

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 25216800

約数和(自身を除く): 4802161

約数列:

[1, 7, 23, 37, 149, 161, 259, 529, 851, 1043, 3427, 3703, 5513, 5957, 19573, 23989, 38591, 78821, 126799, 137011, 551747, 887593, 2916377, 20414639]

約数ペア:

[(1, 20414639), (7, 2916377), (23, 887593), (37, 551747), (149, 137011), (161, 126799), (259, 78821), (529, 38591), (851, 23989), (1043, 19573), (3427, 5957), (3703, 5513)]