20453862

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 29220378

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 769, 806, 858, 1023, 1209, 1538, 2046, 2307, 2418, 4433, 4614, 8459, 8866, 9997, 13299, 16918, 19994, 23839, 25377, 26598, 29991, 47678, 50754, 59982, 71517, 109967, 143034, 219934, 262229, 309907, 329901, 524458, 619814, 659802, 786687, 929721, 1573374, 1859442, 3408977, 6817954, 10226931, 20453862]

約数ペア:

[(1, 20453862), (2, 10226931), (3, 6817954), (6, 3408977), (11, 1859442), (13, 1573374), (22, 929721), (26, 786687), (31, 659802), (33, 619814), (39, 524458), (62, 329901), (66, 309907), (78, 262229), (93, 219934), (143, 143034), (186, 109967), (286, 71517), (341, 59982), (403, 50754), (429, 47678), (682, 29991), (769, 26598), (806, 25377), (858, 23839), (1023, 19994), (1209, 16918), (1538, 13299), (2046, 9997), (2307, 8866), (2418, 8459), (4433, 4614)]