20128199427

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{37663}}^1$

素因数の和:38192

約数の個数: 48

約数和(自身を含む): 35253504000

約数和(自身を除く): 15125304573

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 499, 1071, 1497, 3493, 4491, 8483, 10479, 25449, 31437, 37663, 59381, 76347, 112989, 178143, 263641, 338967, 534429, 640271, 790923, 1920813, 2372769, 4481897, 5762439, 13445691, 18793837, 40337073, 56381511, 131556859, 169144533, 319495229, 394670577, 958485687, 1184011731, 2236466603, 2875457061, 6709399809, 20128199427]

約数ペア:

[(1, 20128199427), (3, 6709399809), (7, 2875457061), (9, 2236466603), (17, 1184011731), (21, 958485687), (51, 394670577), (63, 319495229), (119, 169144533), (153, 131556859), (357, 56381511), (499, 40337073), (1071, 18793837), (1497, 13445691), (3493, 5762439), (4491, 4481897), (8483, 2372769), (10479, 1920813), (25449, 790923), (31437, 640271), (37663, 534429), (59381, 338967), (76347, 263641), (112989, 178143)]