20243769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 34379520

約数和(自身を除く): 14135751

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2557, 2639, 7671, 7917, 17899, 33241, 53697, 74153, 99723, 222459, 232687, 519071, 698061, 963989, 1557213, 2891967, 6747923, 20243769]

約数ペア:

[(1, 20243769), (3, 6747923), (7, 2891967), (13, 1557213), (21, 963989), (29, 698061), (39, 519071), (87, 232687), (91, 222459), (203, 99723), (273, 74153), (377, 53697), (609, 33241), (1131, 17899), (2557, 7917), (2639, 7671)]