20873104

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1063

約数の個数: 40

約数和(自身を含む): 46479168

約数和(自身を除く): 25606064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 821, 908, 1589, 1642, 1816, 3178, 3284, 3632, 5747, 6356, 6568, 11494, 12712, 13136, 22988, 25424, 45976, 91952, 186367, 372734, 745468, 1304569, 1490936, 2609138, 2981872, 5218276, 10436552, 20873104]

約数ペア:

[(1, 20873104), (2, 10436552), (4, 5218276), (7, 2981872), (8, 2609138), (14, 1490936), (16, 1304569), (28, 745468), (56, 372734), (112, 186367), (227, 91952), (454, 45976), (821, 25424), (908, 22988), (1589, 13136), (1642, 12712), (1816, 11494), (3178, 6568), (3284, 6356), (3632, 5747)]