20223760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5879}}^1$

素因数の和:5935

約数の個数: 40

約数和(自身を含む): 48121920

約数和(自身を除く): 27898160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5879, 11758, 23516, 29395, 47032, 58790, 94064, 117580, 235160, 252797, 470320, 505594, 1011188, 1263985, 2022376, 2527970, 4044752, 5055940, 10111880, 20223760]

約数ペア:

[(1, 20223760), (2, 10111880), (4, 5055940), (5, 4044752), (8, 2527970), (10, 2022376), (16, 1263985), (20, 1011188), (40, 505594), (43, 470320), (80, 252797), (86, 235160), (172, 117580), (215, 94064), (344, 58790), (430, 47032), (688, 29395), (860, 23516), (1720, 11758), (3440, 5879)]