20815664092

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7402441}}^1$

素因数の和:7402501

約数の個数: 24

約数和(自身を含む): 39380991440

約数和(自身を除く): 18565327348

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7402441, 14804882, 29609764, 140646379, 273890317, 281292758, 547780634, 562585516, 1095561268, 5203916023, 10407832046, 20815664092]

約数ペア:

[(1, 20815664092), (2, 10407832046), (4, 5203916023), (19, 1095561268), (37, 562585516), (38, 547780634), (74, 281292758), (76, 273890317), (148, 140646379), (703, 29609764), (1406, 14804882), (2812, 7402441)]