20597892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{647}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 34559868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 379, 647, 758, 1137, 1294, 1516, 1941, 2274, 2588, 2653, 3882, 4529, 4548, 5306, 7764, 7959, 9058, 10612, 13587, 15918, 18116, 27174, 31836, 54348, 245213, 490426, 735639, 980852, 1471278, 1716491, 2942556, 3432982, 5149473, 6865964, 10298946, 20597892]

約数ペア:

[(1, 20597892), (2, 10298946), (3, 6865964), (4, 5149473), (6, 3432982), (7, 2942556), (12, 1716491), (14, 1471278), (21, 980852), (28, 735639), (42, 490426), (84, 245213), (379, 54348), (647, 31836), (758, 27174), (1137, 18116), (1294, 15918), (1516, 13587), (1941, 10612), (2274, 9058), (2588, 7959), (2653, 7764), (3882, 5306), (4529, 4548)]