2017206820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{22783}}^1$

素因数の和:23044

約数の個数: 48

約数和(自身を含む): 4478423040

約数和(自身を除く): 2461216220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 233, 380, 466, 932, 1165, 2330, 4427, 4660, 8854, 17708, 22135, 22783, 44270, 45566, 88540, 91132, 113915, 227830, 432877, 455660, 865754, 1731508, 2164385, 4328770, 5308439, 8657540, 10616878, 21233756, 26542195, 53084390, 100860341, 106168780, 201720682, 403441364, 504301705, 1008603410, 2017206820]

約数ペア:

[(1, 2017206820), (2, 1008603410), (4, 504301705), (5, 403441364), (10, 201720682), (19, 106168780), (20, 100860341), (38, 53084390), (76, 26542195), (95, 21233756), (190, 10616878), (233, 8657540), (380, 5308439), (466, 4328770), (932, 2164385), (1165, 1731508), (2330, 865754), (4427, 455660), (4660, 432877), (8854, 227830), (17708, 113915), (22135, 91132), (22783, 88540), (44270, 45566)]