20212059

素因数分解:

$3^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 31518720

約数和(自身を除く): 11306661

約数列:

[1, 3, 7, 21, 49, 147, 359, 383, 1077, 1149, 2513, 2681, 7539, 8043, 17591, 18767, 52773, 56301, 137497, 412491, 962479, 2887437, 6737353, 20212059]

約数ペア:

[(1, 20212059), (3, 6737353), (7, 2887437), (21, 962479), (49, 412491), (147, 137497), (359, 56301), (383, 52773), (1077, 18767), (1149, 17591), (2513, 8043), (2681, 7539)]