20751126

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^2$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 46681920

約数和(自身を除く): 25930794

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 73, 118, 146, 177, 219, 354, 438, 649, 803, 1298, 1606, 1947, 2409, 3894, 4307, 4818, 5329, 8614, 10658, 12921, 15987, 25842, 31974, 47377, 58619, 94754, 117238, 142131, 175857, 284262, 314411, 351714, 628822, 943233, 1886466, 3458521, 6917042, 10375563, 20751126]

約数ペア:

[(1, 20751126), (2, 10375563), (3, 6917042), (6, 3458521), (11, 1886466), (22, 943233), (33, 628822), (59, 351714), (66, 314411), (73, 284262), (118, 175857), (146, 142131), (177, 117238), (219, 94754), (354, 58619), (438, 47377), (649, 31974), (803, 25842), (1298, 15987), (1606, 12921), (1947, 10658), (2409, 8614), (3894, 5329), (4307, 4818)]