20133105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 14288655

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1493, 2697, 4479, 4495, 7465, 13485, 22395, 43297, 46283, 129891, 138849, 216485, 231415, 649455, 694245, 1342207, 4026621, 6711035, 20133105]

約数ペア:

[(1, 20133105), (3, 6711035), (5, 4026621), (15, 1342207), (29, 694245), (31, 649455), (87, 231415), (93, 216485), (145, 138849), (155, 129891), (435, 46283), (465, 43297), (899, 22395), (1493, 13485), (2697, 7465), (4479, 4495)]