20406977151

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{879649}}^1$

素因数の和:879719

約数の個数: 32

約数和(自身を含む): 32089632000

約数和(自身を除く): 11682654849

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 7733, 23199, 879649, 2638947, 9676139, 16713331, 29028417, 32547013, 50139993, 97641039, 183846641, 358017143, 551539923, 618393247, 1074051429, 1855179741, 6802325717, 20406977151]

約数ペア:

[(1, 20406977151), (3, 6802325717), (11, 1855179741), (19, 1074051429), (33, 618393247), (37, 551539923), (57, 358017143), (111, 183846641), (209, 97641039), (407, 50139993), (627, 32547013), (703, 29028417), (1221, 16713331), (2109, 9676139), (7733, 2638947), (23199, 879649)]