20277460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144839}}^1$

素因数の和:144855

約数の個数: 24

約数和(自身を含む): 48666240

約数和(自身を除く): 28388780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144839, 289678, 579356, 724195, 1013873, 1448390, 2027746, 2896780, 4055492, 5069365, 10138730, 20277460]

約数ペア:

[(1, 20277460), (2, 10138730), (4, 5069365), (5, 4055492), (7, 2896780), (10, 2027746), (14, 1448390), (20, 1013873), (28, 724195), (35, 579356), (70, 289678), (140, 144839)]