20941466

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 39844224

約数和(自身を除く): 18902758

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 167, 169, 182, 334, 338, 371, 689, 742, 1169, 1183, 1378, 2171, 2338, 2366, 4342, 4823, 8851, 8957, 9646, 15197, 17702, 17914, 28223, 30394, 56446, 61957, 62699, 115063, 123914, 125398, 197561, 230126, 395122, 805441, 1495819, 1610882, 2991638, 10470733, 20941466]

約数ペア:

[(1, 20941466), (2, 10470733), (7, 2991638), (13, 1610882), (14, 1495819), (26, 805441), (53, 395122), (91, 230126), (106, 197561), (167, 125398), (169, 123914), (182, 115063), (334, 62699), (338, 61957), (371, 56446), (689, 30394), (742, 28223), (1169, 17914), (1183, 17702), (1378, 15197), (2171, 9646), (2338, 8957), (2366, 8851), (4342, 4823)]