20815706682

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{509}}^1\times {\mathrm{28759}}^1$

素因数の和:29355

約数の個数: 48

約数和(自身を含む): 45762912000

約数和(自身を除く): 24947205318

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 509, 711, 1018, 1422, 1527, 3054, 4581, 9162, 28759, 40211, 57518, 80422, 86277, 120633, 172554, 241266, 258831, 361899, 517662, 723798, 2271961, 4543922, 6815883, 13631766, 14638331, 20447649, 29276662, 40895298, 43914993, 87829986, 131744979, 263489958, 1156428149, 2312856298, 3469284447, 6938568894, 10407853341, 20815706682]

約数ペア:

[(1, 20815706682), (2, 10407853341), (3, 6938568894), (6, 3469284447), (9, 2312856298), (18, 1156428149), (79, 263489958), (158, 131744979), (237, 87829986), (474, 43914993), (509, 40895298), (711, 29276662), (1018, 20447649), (1422, 14638331), (1527, 13631766), (3054, 6815883), (4581, 4543922), (9162, 2271961), (28759, 723798), (40211, 517662), (57518, 361899), (80422, 258831), (86277, 241266), (120633, 172554)]