20187318525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1439381}}^1$

素因数の和:1439422

約数の個数: 48

約数和(自身を含む): 38552407488

約数和(自身を除く): 18365088963

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 2805, 4675, 14025, 1439381, 4318143, 7196905, 15833191, 21590715, 24469477, 35984525, 47499573, 73408431, 79165955, 107953575, 122347385, 237497865, 269164247, 367042155, 395829775, 611736925, 807492741, 1187489325, 1345821235, 1835210775, 4037463705, 6729106175, 20187318525]

約数ペア:

[(1, 20187318525), (3, 6729106175), (5, 4037463705), (11, 1835210775), (15, 1345821235), (17, 1187489325), (25, 807492741), (33, 611736925), (51, 395829775), (55, 367042155), (75, 269164247), (85, 237497865), (165, 122347385), (187, 107953575), (255, 79165955), (275, 73408431), (425, 47499573), (561, 35984525), (825, 24469477), (935, 21590715), (1275, 15833191), (2805, 7196905), (4675, 4318143), (14025, 1439381)]