20824545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8623}}^1$

素因数の和:8661

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 18914847

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8623, 25869, 43115, 60361, 129345, 181083, 198329, 301805, 594987, 905415, 991645, 1388303, 2974935, 4164909, 6941515, 20824545]

約数ペア:

[(1, 20824545), (3, 6941515), (5, 4164909), (7, 2974935), (15, 1388303), (21, 991645), (23, 905415), (35, 594987), (69, 301805), (105, 198329), (115, 181083), (161, 129345), (345, 60361), (483, 43115), (805, 25869), (2415, 8623)]