20091248

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2467}}^1$

素因数の和:2984

約数の個数: 20

約数和(自身を含む): 39019080

約数和(自身を除く): 18927832

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2467, 4072, 4934, 8144, 9868, 19736, 39472, 1255703, 2511406, 5022812, 10045624, 20091248]

約数ペア:

[(1, 20091248), (2, 10045624), (4, 5022812), (8, 2511406), (16, 1255703), (509, 39472), (1018, 19736), (2036, 9868), (2467, 8144), (4072, 4934)]