20711964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1459}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 59848320

約数和(自身を除く): 39136356

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1459, 2028, 2366, 2918, 3549, 4377, 4732, 5836, 7098, 8754, 10213, 14196, 17508, 18967, 20426, 30639, 37934, 40852, 56901, 61278, 75868, 113802, 122556, 132769, 227604, 246571, 265538, 398307, 493142, 531076, 739713, 796614, 986284, 1479426, 1593228, 1725997, 2958852, 3451994, 5177991, 6903988, 10355982, 20711964]

約数ペア:

[(1, 20711964), (2, 10355982), (3, 6903988), (4, 5177991), (6, 3451994), (7, 2958852), (12, 1725997), (13, 1593228), (14, 1479426), (21, 986284), (26, 796614), (28, 739713), (39, 531076), (42, 493142), (52, 398307), (78, 265538), (84, 246571), (91, 227604), (156, 132769), (169, 122556), (182, 113802), (273, 75868), (338, 61278), (364, 56901), (507, 40852), (546, 37934), (676, 30639), (1014, 20426), (1092, 18967), (1183, 17508), (1459, 14196), (2028, 10213), (2366, 8754), (2918, 7098), (3549, 5836), (4377, 4732)]