20268520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22031}}^1$

素因数の和:22065

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 27320600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22031, 44062, 88124, 110155, 176248, 220310, 440620, 506713, 881240, 1013426, 2026852, 2533565, 4053704, 5067130, 10134260, 20268520]

約数ペア:

[(1, 20268520), (2, 10134260), (4, 5067130), (5, 4053704), (8, 2533565), (10, 2026852), (20, 1013426), (23, 881240), (40, 506713), (46, 440620), (92, 220310), (115, 176248), (184, 110155), (230, 88124), (460, 44062), (920, 22031)]