20019174948

素因数分解:

$2^2\times 3^5\times {\mathrm{2591}}^1\times {\mathrm{7949}}^1$

素因数の和:10559

約数の個数: 72

約数和(自身を含む): 52505107200

約数和(自身を除く): 32485932252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 2591, 5182, 7773, 7949, 10364, 15546, 15898, 23319, 23847, 31092, 31796, 46638, 47694, 69957, 71541, 93276, 95388, 139914, 143082, 209871, 214623, 279828, 286164, 419742, 429246, 629613, 643869, 839484, 858492, 1259226, 1287738, 1931607, 2518452, 2575476, 3863214, 7726428, 20595859, 41191718, 61787577, 82383436, 123575154, 185362731, 247150308, 370725462, 556088193, 741450924, 1112176386, 1668264579, 2224352772, 3336529158, 5004793737, 6673058316, 10009587474, 20019174948]

約数ペア:

[(1, 20019174948), (2, 10009587474), (3, 6673058316), (4, 5004793737), (6, 3336529158), (9, 2224352772), (12, 1668264579), (18, 1112176386), (27, 741450924), (36, 556088193), (54, 370725462), (81, 247150308), (108, 185362731), (162, 123575154), (243, 82383436), (324, 61787577), (486, 41191718), (972, 20595859), (2591, 7726428), (5182, 3863214), (7773, 2575476), (7949, 2518452), (10364, 1931607), (15546, 1287738), (15898, 1259226), (23319, 858492), (23847, 839484), (31092, 643869), (31796, 629613), (46638, 429246), (47694, 419742), (69957, 286164), (71541, 279828), (93276, 214623), (95388, 209871), (139914, 143082)]