20693340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38321}}^1$

素因数の和:38339

約数の個数: 48

約数和(自身を含む): 64380960

約数和(自身を除く): 43687620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38321, 76642, 114963, 153284, 191605, 229926, 344889, 383210, 459852, 574815, 689778, 766420, 1034667, 1149630, 1379556, 1724445, 2069334, 2299260, 3448890, 4138668, 5173335, 6897780, 10346670, 20693340]

約数ペア:

[(1, 20693340), (2, 10346670), (3, 6897780), (4, 5173335), (5, 4138668), (6, 3448890), (9, 2299260), (10, 2069334), (12, 1724445), (15, 1379556), (18, 1149630), (20, 1034667), (27, 766420), (30, 689778), (36, 574815), (45, 459852), (54, 383210), (60, 344889), (90, 229926), (108, 191605), (135, 153284), (180, 114963), (270, 76642), (540, 38321)]