20545668

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:354

約数の個数: 108

約数和(自身を含む): 61549488

約数和(自身を除く): 41003820

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 169, 198, 234, 286, 307, 338, 396, 429, 468, 507, 572, 614, 676, 858, 921, 1014, 1228, 1287, 1521, 1716, 1842, 1859, 2028, 2574, 2763, 3042, 3377, 3684, 3718, 3991, 5148, 5526, 5577, 6084, 6754, 7436, 7982, 10131, 11052, 11154, 11973, 13508, 15964, 16731, 20262, 22308, 23946, 30393, 33462, 35919, 40524, 43901, 47892, 51883, 60786, 66924, 71838, 87802, 103766, 121572, 131703, 143676, 155649, 175604, 207532, 263406, 311298, 395109, 466947, 526812, 570713, 622596, 790218, 933894, 1141426, 1580436, 1712139, 1867788, 2282852, 3424278, 5136417, 6848556, 10272834, 20545668]

約数ペア:

[(1, 20545668), (2, 10272834), (3, 6848556), (4, 5136417), (6, 3424278), (9, 2282852), (11, 1867788), (12, 1712139), (13, 1580436), (18, 1141426), (22, 933894), (26, 790218), (33, 622596), (36, 570713), (39, 526812), (44, 466947), (52, 395109), (66, 311298), (78, 263406), (99, 207532), (117, 175604), (132, 155649), (143, 143676), (156, 131703), (169, 121572), (198, 103766), (234, 87802), (286, 71838), (307, 66924), (338, 60786), (396, 51883), (429, 47892), (468, 43901), (507, 40524), (572, 35919), (614, 33462), (676, 30393), (858, 23946), (921, 22308), (1014, 20262), (1228, 16731), (1287, 15964), (1521, 13508), (1716, 11973), (1842, 11154), (1859, 11052), (2028, 10131), (2574, 7982), (2763, 7436), (3042, 6754), (3377, 6084), (3684, 5577), (3718, 5526), (3991, 5148)]