20178587565

素因数分解:

$3^5\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{8867}}^1$

素因数の和:10760

約数の個数: 48

約数和(自身を含む): 36295092288

約数和(自身を除く): 16116504723

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1873, 5619, 8867, 9365, 16857, 26601, 28095, 44335, 50571, 79803, 84285, 133005, 151713, 239409, 252855, 399015, 455139, 718227, 758565, 1197045, 2154681, 2275695, 3591135, 10773405, 16607891, 49823673, 83039455, 149471019, 249118365, 448413057, 747355095, 1345239171, 2242065285, 4035717513, 6726195855, 20178587565]

約数ペア:

[(1, 20178587565), (3, 6726195855), (5, 4035717513), (9, 2242065285), (15, 1345239171), (27, 747355095), (45, 448413057), (81, 249118365), (135, 149471019), (243, 83039455), (405, 49823673), (1215, 16607891), (1873, 10773405), (5619, 3591135), (8867, 2275695), (9365, 2154681), (16857, 1197045), (26601, 758565), (28095, 718227), (44335, 455139), (50571, 399015), (79803, 252855), (84285, 239409), (133005, 151713)]