20211886509

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1\times {\mathrm{1381}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 27996976128

約数和(自身を除く): 7785089619

約数列:

[1, 3, 31, 93, 241, 653, 723, 1381, 1959, 4143, 7471, 20243, 22413, 42811, 60729, 128433, 157373, 332821, 472119, 901793, 998463, 2705379, 4878563, 10317451, 14635689, 27955583, 30952353, 83866749, 217332113, 651996339, 6737295503, 20211886509]

約数ペア:

[(1, 20211886509), (3, 6737295503), (31, 651996339), (93, 217332113), (241, 83866749), (653, 30952353), (723, 27955583), (1381, 14635689), (1959, 10317451), (4143, 4878563), (7471, 2705379), (20243, 998463), (22413, 901793), (42811, 472119), (60729, 332821), (128433, 157373)]