20340015820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1\times {\mathrm{32491}}^1$

素因数の和:32890

約数の個数: 48

約数和(自身を含む): 43248931488

約数和(自身を除く): 22908915668

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 277, 452, 554, 565, 1108, 1130, 1385, 2260, 2770, 5540, 31301, 32491, 62602, 64982, 125204, 129964, 156505, 162455, 313010, 324910, 626020, 649820, 3671483, 7342966, 9000007, 14685932, 18000014, 18357415, 36000028, 36714830, 45000035, 73429660, 90000070, 180000140, 1017000791, 2034001582, 4068003164, 5085003955, 10170007910, 20340015820]

約数ペア:

[(1, 20340015820), (2, 10170007910), (4, 5085003955), (5, 4068003164), (10, 2034001582), (20, 1017000791), (113, 180000140), (226, 90000070), (277, 73429660), (452, 45000035), (554, 36714830), (565, 36000028), (1108, 18357415), (1130, 18000014), (1385, 14685932), (2260, 9000007), (2770, 7342966), (5540, 3671483), (31301, 649820), (32491, 626020), (62602, 324910), (64982, 313010), (125204, 162455), (129964, 156505)]