20981570401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{9109}}^1$

素因数の和:9349

約数の個数: 32

約数和(自身を含む): 24557644800

約数和(自身を除く): 3576074399

約数列:

[1, 11, 19, 103, 107, 209, 1133, 1177, 1957, 2033, 9109, 11021, 21527, 22363, 100199, 121231, 173071, 209399, 938227, 974663, 1903781, 2303389, 10320497, 10721293, 17826313, 18518597, 100390289, 196089443, 203704567, 1104293179, 1907415491, 20981570401]

約数ペア:

[(1, 20981570401), (11, 1907415491), (19, 1104293179), (103, 203704567), (107, 196089443), (209, 100390289), (1133, 18518597), (1177, 17826313), (1957, 10721293), (2033, 10320497), (9109, 2303389), (11021, 1903781), (21527, 974663), (22363, 938227), (100199, 209399), (121231, 173071)]