20992404

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 30113196

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 179, 337, 348, 358, 537, 674, 716, 1011, 1074, 1348, 2022, 2148, 4044, 5191, 9773, 10382, 15573, 19546, 20764, 29319, 31146, 39092, 58638, 60323, 62292, 117276, 120646, 180969, 241292, 361938, 723876, 1749367, 3498734, 5248101, 6997468, 10496202, 20992404]

約数ペア:

[(1, 20992404), (2, 10496202), (3, 6997468), (4, 5248101), (6, 3498734), (12, 1749367), (29, 723876), (58, 361938), (87, 241292), (116, 180969), (174, 120646), (179, 117276), (337, 62292), (348, 60323), (358, 58638), (537, 39092), (674, 31146), (716, 29319), (1011, 20764), (1074, 19546), (1348, 15573), (2022, 10382), (2148, 9773), (4044, 5191)]