20425986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54037}}^1$

素因数の和:54055

約数の個数: 32

約数和(自身を含む): 51876480

約数和(自身を除く): 31450494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54037, 108074, 162111, 324222, 378259, 486333, 756518, 972666, 1134777, 1458999, 2269554, 2917998, 3404331, 6808662, 10212993, 20425986]

約数ペア:

[(1, 20425986), (2, 10212993), (3, 6808662), (6, 3404331), (7, 2917998), (9, 2269554), (14, 1458999), (18, 1134777), (21, 972666), (27, 756518), (42, 486333), (54, 378259), (63, 324222), (126, 162111), (189, 108074), (378, 54037)]