20123658896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1361}}^1\times {\mathrm{84011}}^1$

素因数の和:85391

約数の個数: 40

約数和(自身を含む): 42565855968

約数和(自身を除く): 22442197072

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1361, 2722, 5444, 10888, 14971, 21776, 29942, 59884, 84011, 119768, 168022, 239536, 336044, 672088, 924121, 1344176, 1848242, 3696484, 7392968, 14785936, 114338971, 228677942, 457355884, 914711768, 1257728681, 1829423536, 2515457362, 5030914724, 10061829448, 20123658896]

約数ペア:

[(1, 20123658896), (2, 10061829448), (4, 5030914724), (8, 2515457362), (11, 1829423536), (16, 1257728681), (22, 914711768), (44, 457355884), (88, 228677942), (176, 114338971), (1361, 14785936), (2722, 7392968), (5444, 3696484), (10888, 1848242), (14971, 1344176), (21776, 924121), (29942, 672088), (59884, 336044), (84011, 239536), (119768, 168022)]