220170380

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{13121}}^1$

素因数の和:13969

約数の個数: 24

約数和(自身を含む): 462944160

約数和(自身を除く): 242773780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 8390, 13121, 16780, 26242, 52484, 65605, 131210, 262420, 11008519, 22017038, 44034076, 55042595, 110085190, 220170380]

約数ペア:

[(1, 220170380), (2, 110085190), (4, 55042595), (5, 44034076), (10, 22017038), (20, 11008519), (839, 262420), (1678, 131210), (3356, 65605), (4195, 52484), (8390, 26242), (13121, 16780)]