2020198712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{13859}}^1$

素因数の和:14028

約数の個数: 64

約数和(自身を含む): 4590432000

約数和(自身を除く): 2570233288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 137, 152, 266, 274, 532, 548, 959, 1064, 1096, 1918, 2603, 3836, 5206, 7672, 10412, 13859, 18221, 20824, 27718, 36442, 55436, 72884, 97013, 110872, 145768, 194026, 263321, 388052, 526642, 776104, 1053284, 1843247, 1898683, 2106568, 3686494, 3797366, 7372988, 7594732, 13290781, 14745976, 15189464, 26581562, 36074977, 53163124, 72149954, 106326248, 144299908, 252524839, 288599816, 505049678, 1010099356, 2020198712]

約数ペア:

[(1, 2020198712), (2, 1010099356), (4, 505049678), (7, 288599816), (8, 252524839), (14, 144299908), (19, 106326248), (28, 72149954), (38, 53163124), (56, 36074977), (76, 26581562), (133, 15189464), (137, 14745976), (152, 13290781), (266, 7594732), (274, 7372988), (532, 3797366), (548, 3686494), (959, 2106568), (1064, 1898683), (1096, 1843247), (1918, 1053284), (2603, 776104), (3836, 526642), (5206, 388052), (7672, 263321), (10412, 194026), (13859, 145768), (18221, 110872), (20824, 97013), (27718, 72884), (36442, 55436)]