20577777

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 10678287

約数列:

[1, 3, 11, 33, 41, 67, 123, 201, 227, 451, 681, 737, 1353, 2211, 2497, 2747, 7491, 8241, 9307, 15209, 27921, 30217, 45627, 90651, 102377, 167299, 307131, 501897, 623569, 1870707, 6859259, 20577777]

約数ペア:

[(1, 20577777), (3, 6859259), (11, 1870707), (33, 623569), (41, 501897), (67, 307131), (123, 167299), (201, 102377), (227, 90651), (451, 45627), (681, 30217), (737, 27921), (1353, 15209), (2211, 9307), (2497, 8241), (2747, 7491)]