20698494512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1\times {\mathrm{2029}}^1$

素因数の和:3538

約数の個数: 80

約数和(自身を含む): 44101344000

約数和(自身を除く): 23402849488

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1459, 1748, 2029, 2918, 3496, 4058, 5836, 6992, 8116, 11672, 16232, 23344, 27721, 32464, 33557, 38551, 46667, 55442, 67114, 77102, 93334, 110884, 134228, 154204, 186668, 221768, 268456, 308408, 373336, 443536, 536912, 616816, 637583, 746672, 886673, 1275166, 1773346, 2550332, 2960311, 3546692, 5100664, 5920622, 7093384, 10201328, 11841244, 14186768, 23682488, 47364976, 56245909, 68087153, 112491818, 136174306, 224983636, 272348612, 449967272, 544697224, 899934544, 1089394448, 1293655907, 2587311814, 5174623628, 10349247256, 20698494512]

約数ペア:

[(1, 20698494512), (2, 10349247256), (4, 5174623628), (8, 2587311814), (16, 1293655907), (19, 1089394448), (23, 899934544), (38, 544697224), (46, 449967272), (76, 272348612), (92, 224983636), (152, 136174306), (184, 112491818), (304, 68087153), (368, 56245909), (437, 47364976), (874, 23682488), (1459, 14186768), (1748, 11841244), (2029, 10201328), (2918, 7093384), (3496, 5920622), (4058, 5100664), (5836, 3546692), (6992, 2960311), (8116, 2550332), (11672, 1773346), (16232, 1275166), (23344, 886673), (27721, 746672), (32464, 637583), (33557, 616816), (38551, 536912), (46667, 443536), (55442, 373336), (67114, 308408), (77102, 268456), (93334, 221768), (110884, 186668), (134228, 154204)]