20951011884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{439667}}^1$

素因数の和:439723

約数の個数: 72

約数和(自身を含む): 56284538688

約数和(自身を除く): 35333526804

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 361, 418, 627, 722, 836, 1083, 1254, 1444, 2166, 2508, 3971, 4332, 7942, 11913, 15884, 23826, 47652, 439667, 879334, 1319001, 1758668, 2638002, 4836337, 5276004, 8353673, 9672674, 14509011, 16707346, 19345348, 25061019, 29018022, 33414692, 50122038, 58036044, 91890403, 100244076, 158719787, 183780806, 275671209, 317439574, 367561612, 476159361, 551342418, 634879148, 952318722, 1102684836, 1745917657, 1904637444, 3491835314, 5237752971, 6983670628, 10475505942, 20951011884]

約数ペア:

[(1, 20951011884), (2, 10475505942), (3, 6983670628), (4, 5237752971), (6, 3491835314), (11, 1904637444), (12, 1745917657), (19, 1102684836), (22, 952318722), (33, 634879148), (38, 551342418), (44, 476159361), (57, 367561612), (66, 317439574), (76, 275671209), (114, 183780806), (132, 158719787), (209, 100244076), (228, 91890403), (361, 58036044), (418, 50122038), (627, 33414692), (722, 29018022), (836, 25061019), (1083, 19345348), (1254, 16707346), (1444, 14509011), (2166, 9672674), (2508, 8353673), (3971, 5276004), (4332, 4836337), (7942, 2638002), (11913, 1758668), (15884, 1319001), (23826, 879334), (47652, 439667)]