20293748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1039}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 37564800

約数和(自身を除く): 17271052

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 1039, 2078, 4156, 4883, 9766, 19532, 19741, 39482, 78964, 267023, 534046, 1068092, 5073437, 10146874, 20293748]

約数ペア:

[(1, 20293748), (2, 10146874), (4, 5073437), (19, 1068092), (38, 534046), (76, 267023), (257, 78964), (514, 39482), (1028, 19741), (1039, 19532), (2078, 9766), (4156, 4883)]