20955564

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:596

約数の個数: 96

約数和(自身を含む): 63383040

約数和(自身を除く): 42427476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 84, 106, 108, 126, 159, 189, 212, 252, 318, 371, 378, 477, 523, 636, 742, 756, 954, 1046, 1113, 1431, 1484, 1569, 1908, 2092, 2226, 2862, 3138, 3339, 3661, 4452, 4707, 5724, 6276, 6678, 7322, 9414, 10017, 10983, 13356, 14121, 14644, 18828, 20034, 21966, 27719, 28242, 32949, 40068, 43932, 55438, 56484, 65898, 83157, 98847, 110876, 131796, 166314, 194033, 197694, 249471, 332628, 388066, 395388, 498942, 582099, 748413, 776132, 997884, 1164198, 1496826, 1746297, 2328396, 2993652, 3492594, 5238891, 6985188, 10477782, 20955564]

約数ペア:

[(1, 20955564), (2, 10477782), (3, 6985188), (4, 5238891), (6, 3492594), (7, 2993652), (9, 2328396), (12, 1746297), (14, 1496826), (18, 1164198), (21, 997884), (27, 776132), (28, 748413), (36, 582099), (42, 498942), (53, 395388), (54, 388066), (63, 332628), (84, 249471), (106, 197694), (108, 194033), (126, 166314), (159, 131796), (189, 110876), (212, 98847), (252, 83157), (318, 65898), (371, 56484), (378, 55438), (477, 43932), (523, 40068), (636, 32949), (742, 28242), (756, 27719), (954, 21966), (1046, 20034), (1113, 18828), (1431, 14644), (1484, 14121), (1569, 13356), (1908, 10983), (2092, 10017), (2226, 9414), (2862, 7322), (3138, 6678), (3339, 6276), (3661, 5724), (4452, 4707)]