20189537552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74226241}}^1$

素因数の和:74226266

約数の個数: 20

約数和(自身を含む): 41418243036

約数和(自身を除く): 21228705484

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74226241, 148452482, 296904964, 593809928, 1187619856, 1261846097, 2523692194, 5047384388, 10094768776, 20189537552]

約数ペア:

[(1, 20189537552), (2, 10094768776), (4, 5047384388), (8, 2523692194), (16, 1261846097), (17, 1187619856), (34, 593809928), (68, 296904964), (136, 148452482), (272, 74226241)]