20341040

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1013}}^1$

素因数の和:1277

約数の個数: 40

約数和(自身を含む): 47528208

約数和(自身を除く): 27187168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1013, 1255, 2008, 2026, 2510, 4016, 4052, 5020, 5065, 8104, 10040, 10130, 16208, 20080, 20260, 40520, 81040, 254263, 508526, 1017052, 1271315, 2034104, 2542630, 4068208, 5085260, 10170520, 20341040]

約数ペア:

[(1, 20341040), (2, 10170520), (4, 5085260), (5, 4068208), (8, 2542630), (10, 2034104), (16, 1271315), (20, 1017052), (40, 508526), (80, 254263), (251, 81040), (502, 40520), (1004, 20260), (1013, 20080), (1255, 16208), (2008, 10130), (2026, 10040), (2510, 8104), (4016, 5065), (4052, 5020)]