20447192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 43999200

約数和(自身を除く): 23552008

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 193, 323, 328, 386, 646, 697, 772, 779, 1292, 1394, 1544, 1558, 2584, 2788, 3116, 3281, 3667, 5576, 6232, 6562, 7334, 7913, 13124, 13243, 14668, 15826, 26248, 26486, 29336, 31652, 52972, 62339, 63304, 105944, 124678, 134521, 150347, 249356, 269042, 300694, 498712, 538084, 601388, 1076168, 1202776, 2555899, 5111798, 10223596, 20447192]

約数ペア:

[(1, 20447192), (2, 10223596), (4, 5111798), (8, 2555899), (17, 1202776), (19, 1076168), (34, 601388), (38, 538084), (41, 498712), (68, 300694), (76, 269042), (82, 249356), (136, 150347), (152, 134521), (164, 124678), (193, 105944), (323, 63304), (328, 62339), (386, 52972), (646, 31652), (697, 29336), (772, 26486), (779, 26248), (1292, 15826), (1394, 14668), (1544, 13243), (1558, 13124), (2584, 7913), (2788, 7334), (3116, 6562), (3281, 6232), (3667, 5576)]