20512459870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{373}}^1\times {\mathrm{16033}}^1$

素因数の和:16434

約数の個数: 64

約数和(自身を含む): 43176355200

約数和(自身を除く): 22663895330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 373, 490, 686, 746, 1715, 1865, 2611, 3430, 3730, 5222, 13055, 16033, 18277, 26110, 32066, 36554, 80165, 91385, 112231, 127939, 160330, 182770, 224462, 255878, 561155, 639695, 785617, 1122310, 1279390, 1571234, 3928085, 5499319, 5980309, 7856170, 10998638, 11960618, 27496595, 29901545, 41862163, 54993190, 59803090, 83724326, 209310815, 293035141, 418621630, 586070282, 1465175705, 2051245987, 2930351410, 4102491974, 10256229935, 20512459870]

約数ペア:

[(1, 20512459870), (2, 10256229935), (5, 4102491974), (7, 2930351410), (10, 2051245987), (14, 1465175705), (35, 586070282), (49, 418621630), (70, 293035141), (98, 209310815), (245, 83724326), (343, 59803090), (373, 54993190), (490, 41862163), (686, 29901545), (746, 27496595), (1715, 11960618), (1865, 10998638), (2611, 7856170), (3430, 5980309), (3730, 5499319), (5222, 3928085), (13055, 1571234), (16033, 1279390), (18277, 1122310), (26110, 785617), (32066, 639695), (36554, 561155), (80165, 255878), (91385, 224462), (112231, 182770), (127939, 160330)]