20656965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1741}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 38128896

約数和(自身を除く): 17471931

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 113, 339, 565, 791, 1695, 1741, 2373, 3955, 5223, 8705, 11865, 12187, 26115, 36561, 60935, 182805, 196733, 590199, 983665, 1377131, 2950995, 4131393, 6885655, 20656965]

約数ペア:

[(1, 20656965), (3, 6885655), (5, 4131393), (7, 2950995), (15, 1377131), (21, 983665), (35, 590199), (105, 196733), (113, 182805), (339, 60935), (565, 36561), (791, 26115), (1695, 12187), (1741, 11865), (2373, 8705), (3955, 5223)]