20058045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 39020928

約数和(自身を除く): 18962883

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 661, 867, 1445, 1785, 1983, 2023, 3305, 4335, 4627, 6069, 9915, 10115, 11237, 13881, 23135, 30345, 33711, 56185, 69405, 78659, 168555, 191029, 235977, 393295, 573087, 955145, 1179885, 1337203, 2865435, 4011609, 6686015, 20058045]

約数ペア:

[(1, 20058045), (3, 6686015), (5, 4011609), (7, 2865435), (15, 1337203), (17, 1179885), (21, 955145), (35, 573087), (51, 393295), (85, 235977), (105, 191029), (119, 168555), (255, 78659), (289, 69405), (357, 56185), (595, 33711), (661, 30345), (867, 23135), (1445, 13881), (1785, 11237), (1983, 10115), (2023, 9915), (3305, 6069), (4335, 4627)]