20509452

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13249}}^1$

素因数の和:13302

約数の個数: 36

約数和(自身を含む): 53053000

約数和(自身を除く): 32543548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13249, 26498, 39747, 52996, 79494, 119241, 158988, 238482, 476964, 569707, 1139414, 1709121, 2278828, 3418242, 5127363, 6836484, 10254726, 20509452]

約数ペア:

[(1, 20509452), (2, 10254726), (3, 6836484), (4, 5127363), (6, 3418242), (9, 2278828), (12, 1709121), (18, 1139414), (36, 569707), (43, 476964), (86, 238482), (129, 158988), (172, 119241), (258, 79494), (387, 52996), (516, 39747), (774, 26498), (1548, 13249)]