20960590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 46116864

約数和(自身を除く): 25156274

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 47, 70, 94, 115, 161, 230, 235, 277, 322, 329, 470, 554, 658, 805, 1081, 1385, 1610, 1645, 1939, 2162, 2770, 3290, 3878, 5405, 6371, 7567, 9695, 10810, 12742, 13019, 15134, 19390, 26038, 31855, 37835, 44597, 63710, 65095, 75670, 89194, 91133, 130190, 182266, 222985, 299437, 445970, 455665, 598874, 911330, 1497185, 2096059, 2994370, 4192118, 10480295, 20960590]

約数ペア:

[(1, 20960590), (2, 10480295), (5, 4192118), (7, 2994370), (10, 2096059), (14, 1497185), (23, 911330), (35, 598874), (46, 455665), (47, 445970), (70, 299437), (94, 222985), (115, 182266), (161, 130190), (230, 91133), (235, 89194), (277, 75670), (322, 65095), (329, 63710), (470, 44597), (554, 37835), (658, 31855), (805, 26038), (1081, 19390), (1385, 15134), (1610, 13019), (1645, 12742), (1939, 10810), (2162, 9695), (2770, 7567), (3290, 6371), (3878, 5405)]