20774684

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7649}}^1$

素因数の和:7757

約数の個数: 24

約数和(自身を含む): 41983200

約数和(自身を除く): 21208516

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7649, 15298, 30596, 53543, 107086, 214172, 741953, 1483906, 2967812, 5193671, 10387342, 20774684]

約数ペア:

[(1, 20774684), (2, 10387342), (4, 5193671), (7, 2967812), (14, 1483906), (28, 741953), (97, 214172), (194, 107086), (388, 53543), (679, 30596), (1358, 15298), (2716, 7649)]