20908672

素因数分解:

$2^7\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20952128

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 379, 431, 758, 862, 1516, 1724, 3032, 3448, 6064, 6896, 12128, 13792, 24256, 27584, 48512, 55168, 163349, 326698, 653396, 1306792, 2613584, 5227168, 10454336, 20908672]

約数ペア:

[(1, 20908672), (2, 10454336), (4, 5227168), (8, 2613584), (16, 1306792), (32, 653396), (64, 326698), (128, 163349), (379, 55168), (431, 48512), (758, 27584), (862, 24256), (1516, 13792), (1724, 12128), (3032, 6896), (3448, 6064)]