20307735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 41992704

約数和(自身を除く): 21684969

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2803, 7245, 8409, 14015, 19621, 25227, 42045, 58863, 64469, 98105, 126135, 176589, 193407, 294315, 322345, 451283, 580221, 882945, 967035, 1353849, 2256415, 2901105, 4061547, 6769245, 20307735]

約数ペア:

[(1, 20307735), (3, 6769245), (5, 4061547), (7, 2901105), (9, 2256415), (15, 1353849), (21, 967035), (23, 882945), (35, 580221), (45, 451283), (63, 322345), (69, 294315), (105, 193407), (115, 176589), (161, 126135), (207, 98105), (315, 64469), (345, 58863), (483, 42045), (805, 25227), (1035, 19621), (1449, 14015), (2415, 8409), (2803, 7245)]