20126776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7831

約数の個数: 32

約数和(自身を含む): 42066000

約数和(自身を除く): 21939224

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7789, 15578, 31156, 62312, 132413, 147991, 264826, 295982, 529652, 591964, 1059304, 1183928, 2515847, 5031694, 10063388, 20126776]

約数ペア:

[(1, 20126776), (2, 10063388), (4, 5031694), (8, 2515847), (17, 1183928), (19, 1059304), (34, 591964), (38, 529652), (68, 295982), (76, 264826), (136, 147991), (152, 132413), (323, 62312), (646, 31156), (1292, 15578), (2584, 7789)]