20117538

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7603}}^1$

素因数の和:7628

約数の個数: 48

約数和(自身を含む): 52011360

約数和(自身を除く): 31893822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7603, 15206, 22809, 45618, 53221, 68427, 106442, 136854, 159663, 205281, 319326, 372547, 410562, 478989, 745094, 957978, 1117641, 1436967, 2235282, 2873934, 3352923, 6705846, 10058769, 20117538]

約数ペア:

[(1, 20117538), (2, 10058769), (3, 6705846), (6, 3352923), (7, 2873934), (9, 2235282), (14, 1436967), (18, 1117641), (21, 957978), (27, 745094), (42, 478989), (49, 410562), (54, 372547), (63, 319326), (98, 205281), (126, 159663), (147, 136854), (189, 106442), (294, 68427), (378, 53221), (441, 45618), (882, 22809), (1323, 15206), (2646, 7603)]