20781402

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 43955520

約数和(自身を除く): 23174118

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 421, 433, 842, 866, 1263, 1299, 2526, 2598, 7999, 8227, 15998, 16454, 23997, 24681, 47994, 49362, 182293, 364586, 546879, 1093758, 3463567, 6927134, 10390701, 20781402]

約数ペア:

[(1, 20781402), (2, 10390701), (3, 6927134), (6, 3463567), (19, 1093758), (38, 546879), (57, 364586), (114, 182293), (421, 49362), (433, 47994), (842, 24681), (866, 23997), (1263, 16454), (1299, 15998), (2526, 8227), (2598, 7999)]