20880451593

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{829}}^1\times {\mathrm{3019}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 31543054400

約数和(自身を除く): 10662602807

約数列:

[1, 3, 9, 27, 81, 103, 309, 829, 927, 2487, 2781, 3019, 7461, 8343, 9057, 22383, 27171, 67149, 81513, 85387, 244539, 256161, 310957, 768483, 932871, 2305449, 2502751, 2798613, 6916347, 7508253, 8395839, 22524759, 25187517, 67574277, 202722831, 257783353, 773350059, 2320050177, 6960150531, 20880451593]

約数ペア:

[(1, 20880451593), (3, 6960150531), (9, 2320050177), (27, 773350059), (81, 257783353), (103, 202722831), (309, 67574277), (829, 25187517), (927, 22524759), (2487, 8395839), (2781, 7508253), (3019, 6916347), (7461, 2798613), (8343, 2502751), (9057, 2305449), (22383, 932871), (27171, 768483), (67149, 310957), (81513, 256161), (85387, 244539)]