20146972881

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6997}}^1\times {\mathrm{4423}}^1$

素因数の和:11461

約数の個数: 32

約数和(自身を含む): 31702171648

約数和(自身を除く): 11555198767

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 4423, 6997, 13269, 20991, 30961, 48979, 92883, 137113, 146937, 216907, 411339, 650721, 959791, 1518349, 2879373, 4555047, 30947731, 92843193, 216634117, 649902351, 959379661, 2878138983, 6715657627, 20146972881]

約数ペア:

[(1, 20146972881), (3, 6715657627), (7, 2878138983), (21, 959379661), (31, 649902351), (93, 216634117), (217, 92843193), (651, 30947731), (4423, 4555047), (6997, 2879373), (13269, 1518349), (20991, 959791), (30961, 650721), (48979, 411339), (92883, 216907), (137113, 146937)]