20614012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 19705988

約数列:

[1, 2, 4, 19, 29, 38, 47, 58, 76, 94, 116, 188, 199, 398, 551, 796, 893, 1102, 1363, 1786, 2204, 2726, 3572, 3781, 5452, 5771, 7562, 9353, 11542, 15124, 18706, 23084, 25897, 37412, 51794, 103588, 109649, 177707, 219298, 271237, 355414, 438596, 542474, 710828, 1084948, 5153503, 10307006, 20614012]

約数ペア:

[(1, 20614012), (2, 10307006), (4, 5153503), (19, 1084948), (29, 710828), (38, 542474), (47, 438596), (58, 355414), (76, 271237), (94, 219298), (116, 177707), (188, 109649), (199, 103588), (398, 51794), (551, 37412), (796, 25897), (893, 23084), (1102, 18706), (1363, 15124), (1786, 11542), (2204, 9353), (2726, 7562), (3572, 5771), (3781, 5452)]