20162995180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{254519}}^1$

素因数の和:254778

約数の個数: 48

約数和(自身を含む): 45025606080

約数和(自身を除く): 24862610900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 932, 1165, 2330, 3961, 4660, 7922, 15844, 19805, 39610, 79220, 254519, 509038, 1018076, 1272595, 2545190, 4326823, 5090380, 8653646, 17307292, 21634115, 43268230, 59302927, 86536460, 118605854, 237211708, 296514635, 593029270, 1008149759, 1186058540, 2016299518, 4032599036, 5040748795, 10081497590, 20162995180]

約数ペア:

[(1, 20162995180), (2, 10081497590), (4, 5040748795), (5, 4032599036), (10, 2016299518), (17, 1186058540), (20, 1008149759), (34, 593029270), (68, 296514635), (85, 237211708), (170, 118605854), (233, 86536460), (340, 59302927), (466, 43268230), (932, 21634115), (1165, 17307292), (2330, 8653646), (3961, 5090380), (4660, 4326823), (7922, 2545190), (15844, 1272595), (19805, 1018076), (39610, 509038), (79220, 254519)]