20781500534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1\times {\mathrm{4229}}^1$

素因数の和:5792

約数の個数: 32

約数和(自身を含む): 33212268000

約数和(自身を除く): 12430767466

約数列:

[1, 2, 19, 38, 89, 178, 1453, 1691, 2906, 3382, 4229, 8458, 27607, 55214, 80351, 129317, 160702, 258634, 376381, 752762, 2457023, 4914046, 6144737, 7151239, 12289474, 14302478, 116750003, 233500006, 546881593, 1093763186, 10390750267, 20781500534]

約数ペア:

[(1, 20781500534), (2, 10390750267), (19, 1093763186), (38, 546881593), (89, 233500006), (178, 116750003), (1453, 14302478), (1691, 12289474), (2906, 7151239), (3382, 6144737), (4229, 4914046), (8458, 2457023), (27607, 752762), (55214, 376381), (80351, 258634), (129317, 160702)]