20778672

素因数分解:

$2^4\times 3^1\times {\mathrm{227}}^1\times {\mathrm{1907}}^1$

素因数の和:2145

約数の個数: 40

約数和(自身を含む): 53942976

約数和(自身を除く): 33164304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 227, 454, 681, 908, 1362, 1816, 1907, 2724, 3632, 3814, 5448, 5721, 7628, 10896, 11442, 15256, 22884, 30512, 45768, 91536, 432889, 865778, 1298667, 1731556, 2597334, 3463112, 5194668, 6926224, 10389336, 20778672]

約数ペア:

[(1, 20778672), (2, 10389336), (3, 6926224), (4, 5194668), (6, 3463112), (8, 2597334), (12, 1731556), (16, 1298667), (24, 865778), (48, 432889), (227, 91536), (454, 45768), (681, 30512), (908, 22884), (1362, 15256), (1816, 11442), (1907, 10896), (2724, 7628), (3632, 5721), (3814, 5448)]