20045494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 36460800

約数和(自身を除く): 16415306

約数列:

[1, 2, 7, 14, 19, 38, 133, 179, 266, 358, 421, 842, 1253, 2506, 2947, 3401, 5894, 6802, 7999, 15998, 23807, 47614, 55993, 75359, 111986, 150718, 527513, 1055026, 1431821, 2863642, 10022747, 20045494]

約数ペア:

[(1, 20045494), (2, 10022747), (7, 2863642), (14, 1431821), (19, 1055026), (38, 527513), (133, 150718), (179, 111986), (266, 75359), (358, 55993), (421, 47614), (842, 23807), (1253, 15998), (2506, 7999), (2947, 6802), (3401, 5894)]