20511708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7877}}^1$

素因数の和:7922

約数の個数: 48

約数和(自身を含む): 56469504

約数和(自身を除く): 35957796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7877, 15754, 23631, 31508, 47262, 55139, 94524, 110278, 165417, 220556, 244187, 330834, 488374, 661668, 732561, 976748, 1465122, 1709309, 2930244, 3418618, 5127927, 6837236, 10255854, 20511708]

約数ペア:

[(1, 20511708), (2, 10255854), (3, 6837236), (4, 5127927), (6, 3418618), (7, 2930244), (12, 1709309), (14, 1465122), (21, 976748), (28, 732561), (31, 661668), (42, 488374), (62, 330834), (84, 244187), (93, 220556), (124, 165417), (186, 110278), (217, 94524), (372, 55139), (434, 47262), (651, 31508), (868, 23631), (1302, 15754), (2604, 7877)]