20179748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15619}}^1$

素因数の和:15659

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 19182652

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15619, 31238, 62476, 265523, 296761, 531046, 593522, 1062092, 1187044, 5044937, 10089874, 20179748]

約数ペア:

[(1, 20179748), (2, 10089874), (4, 5044937), (17, 1187044), (19, 1062092), (34, 593522), (38, 531046), (68, 296761), (76, 265523), (323, 62476), (646, 31238), (1292, 15619)]