20174869539

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{173}}^2\times {\mathrm{619}}^1$

素因数の和:993

約数の個数: 54

約数和(自身を含む): 32269813940

約数和(自身を除く): 12094944401

約数列:

[1, 3, 9, 11, 33, 99, 121, 173, 363, 519, 619, 1089, 1557, 1857, 1903, 5571, 5709, 6809, 17127, 20427, 20933, 29929, 61281, 62799, 74899, 89787, 107087, 188397, 224697, 269361, 321261, 329219, 674091, 963783, 987657, 1177957, 2962971, 3533871, 3621409, 10601613, 10864227, 12957527, 18526051, 32592681, 38872581, 55578153, 116617743, 166734459, 203786561, 611359683, 1834079049, 2241652171, 6724956513, 20174869539]

約数ペア:

[(1, 20174869539), (3, 6724956513), (9, 2241652171), (11, 1834079049), (33, 611359683), (99, 203786561), (121, 166734459), (173, 116617743), (363, 55578153), (519, 38872581), (619, 32592681), (1089, 18526051), (1557, 12957527), (1857, 10864227), (1903, 10601613), (5571, 3621409), (5709, 3533871), (6809, 2962971), (17127, 1177957), (20427, 987657), (20933, 963783), (29929, 674091), (61281, 329219), (62799, 321261), (74899, 269361), (89787, 224697), (107087, 188397)]