20797474943

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2273}}^1\times {\mathrm{3343}}^1$

素因数の和:5663

約数の個数: 32

約数和(自身を含む): 26280308736

約数和(自身を除く): 5482833793

約数列:

[1, 7, 17, 23, 119, 161, 391, 2273, 2737, 3343, 15911, 23401, 38641, 52279, 56831, 76889, 270487, 365953, 397817, 538223, 888743, 1307113, 6221201, 7598639, 9149791, 53190473, 129176863, 174768697, 904238041, 1223380879, 2971067849, 20797474943]

約数ペア:

[(1, 20797474943), (7, 2971067849), (17, 1223380879), (23, 904238041), (119, 174768697), (161, 129176863), (391, 53190473), (2273, 9149791), (2737, 7598639), (3343, 6221201), (15911, 1307113), (23401, 888743), (38641, 538223), (52279, 397817), (56831, 365953), (76889, 270487)]