20868173205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12973}}^1\times {\mathrm{9749}}^1$

素因数の和:22741

約数の個数: 32

約数和(自身を含む): 36430992000

約数和(自身を除く): 15562818795

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 9749, 12973, 29247, 38919, 48745, 64865, 107239, 142703, 146235, 194595, 321717, 428109, 536195, 713515, 1608585, 2140545, 126473777, 379421331, 632368885, 1391211547, 1897106655, 4173634641, 6956057735, 20868173205]

約数ペア:

[(1, 20868173205), (3, 6956057735), (5, 4173634641), (11, 1897106655), (15, 1391211547), (33, 632368885), (55, 379421331), (165, 126473777), (9749, 2140545), (12973, 1608585), (29247, 713515), (38919, 536195), (48745, 428109), (64865, 321717), (107239, 194595), (142703, 146235)]