20195784004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{145759}}^1$

素因数の和:145888

約数の個数: 48

約数和(自身を含む): 39963893760

約数和(自身を除く): 19768109756

約数列:

[1, 2, 4, 11, 22, 44, 47, 67, 94, 134, 188, 268, 517, 737, 1034, 1474, 2068, 2948, 3149, 6298, 12596, 34639, 69278, 138556, 145759, 291518, 583036, 1603349, 3206698, 6413396, 6850673, 9765853, 13701346, 19531706, 27402692, 39063412, 75357403, 107424383, 150714806, 214848766, 301429612, 429697532, 458995091, 917990182, 1835980364, 5048946001, 10097892002, 20195784004]

約数ペア:

[(1, 20195784004), (2, 10097892002), (4, 5048946001), (11, 1835980364), (22, 917990182), (44, 458995091), (47, 429697532), (67, 301429612), (94, 214848766), (134, 150714806), (188, 107424383), (268, 75357403), (517, 39063412), (737, 27402692), (1034, 19531706), (1474, 13701346), (2068, 9765853), (2948, 6850673), (3149, 6413396), (6298, 3206698), (12596, 1603349), (34639, 583036), (69278, 291518), (138556, 145759)]