20472426

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9748

約数の個数: 40

約数和(自身を含む): 49407204

約数和(自身を除く): 28934778

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9721, 19442, 29163, 58326, 87489, 126373, 174978, 252746, 262467, 379119, 524934, 758238, 787401, 1137357, 1574802, 2274714, 3412071, 6824142, 10236213, 20472426]

約数ペア:

[(1, 20472426), (2, 10236213), (3, 6824142), (6, 3412071), (9, 2274714), (13, 1574802), (18, 1137357), (26, 787401), (27, 758238), (39, 524934), (54, 379119), (78, 262467), (81, 252746), (117, 174978), (162, 126373), (234, 87489), (351, 58326), (702, 29163), (1053, 19442), (2106, 9721)]