20163984897

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1\times {\mathrm{24907}}^1$

素因数の和:26965

約数の個数: 32

約数和(自身を含む): 32360473600

約数和(自身を除く): 12196488703

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2029, 6087, 14203, 24907, 38551, 42609, 74721, 115653, 174349, 269857, 473233, 523047, 809571, 1419699, 3312631, 9937893, 50536303, 151608909, 353754121, 960189757, 1061262363, 2880569271, 6721328299, 20163984897]

約数ペア:

[(1, 20163984897), (3, 6721328299), (7, 2880569271), (19, 1061262363), (21, 960189757), (57, 353754121), (133, 151608909), (399, 50536303), (2029, 9937893), (6087, 3312631), (14203, 1419699), (24907, 809571), (38551, 523047), (42609, 473233), (74721, 269857), (115653, 174349)]