20335284

素因数分解:

$2^2\times 3^2\times {\mathrm{503}}^1\times {\mathrm{1123}}^1$

素因数の和:1636

約数の個数: 36

約数和(自身を含む): 51551136

約数和(自身を除く): 31215852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 503, 1006, 1123, 1509, 2012, 2246, 3018, 3369, 4492, 4527, 6036, 6738, 9054, 10107, 13476, 18108, 20214, 40428, 564869, 1129738, 1694607, 2259476, 3389214, 5083821, 6778428, 10167642, 20335284]

約数ペア:

[(1, 20335284), (2, 10167642), (3, 6778428), (4, 5083821), (6, 3389214), (9, 2259476), (12, 1694607), (18, 1129738), (36, 564869), (503, 40428), (1006, 20214), (1123, 18108), (1509, 13476), (2012, 10107), (2246, 9054), (3018, 6738), (3369, 6036), (4492, 4527)]