20145201543

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{997}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 29921988096

約数和(自身を除く): 9776786553

約数列:

[1, 3, 9, 71, 103, 213, 307, 309, 639, 921, 927, 997, 2763, 2991, 7313, 8973, 21797, 21939, 31621, 65391, 65817, 70787, 94863, 102691, 196173, 212361, 284589, 306079, 308073, 637083, 918237, 924219, 2245091, 2754711, 6735273, 7291061, 20205819, 21731609, 21873183, 31526137, 65194827, 65619549, 94578411, 195584481, 283735233, 2238355727, 6715067181, 20145201543]

約数ペア:

[(1, 20145201543), (3, 6715067181), (9, 2238355727), (71, 283735233), (103, 195584481), (213, 94578411), (307, 65619549), (309, 65194827), (639, 31526137), (921, 21873183), (927, 21731609), (997, 20205819), (2763, 7291061), (2991, 6735273), (7313, 2754711), (8973, 2245091), (21797, 924219), (21939, 918237), (31621, 637083), (65391, 308073), (65817, 306079), (70787, 284589), (94863, 212361), (102691, 196173)]