20857779074

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1\times {\mathrm{26813}}^1$

素因数の和:28706

約数の個数: 32

約数和(自身を含む): 35947920960

約数和(自身を除く): 15090141886

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 1861, 3722, 20471, 26813, 35359, 40942, 53626, 70718, 294943, 388949, 509447, 589886, 777898, 1018894, 5603917, 11207834, 49898993, 99797986, 548888923, 948080867, 1097777846, 1896161734, 10428889537, 20857779074]

約数ペア:

[(1, 20857779074), (2, 10428889537), (11, 1896161734), (19, 1097777846), (22, 948080867), (38, 548888923), (209, 99797986), (418, 49898993), (1861, 11207834), (3722, 5603917), (20471, 1018894), (26813, 777898), (35359, 589886), (40942, 509447), (53626, 388949), (70718, 294943)]