20147025605

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1\times {\mathrm{13249}}^1$

素因数の和:15173

約数の個数: 32

約数和(自身を含む): 28848960000

約数和(自身を除く): 8701934395

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1889, 9445, 13223, 13249, 43447, 66115, 66245, 92743, 217235, 304129, 304727, 463715, 1520645, 1523635, 2133089, 10665445, 25027361, 125136805, 175191527, 575629303, 875957635, 2878146515, 4029405121, 20147025605]

約数ペア:

[(1, 20147025605), (5, 4029405121), (7, 2878146515), (23, 875957635), (35, 575629303), (115, 175191527), (161, 125136805), (805, 25027361), (1889, 10665445), (9445, 2133089), (13223, 1523635), (13249, 1520645), (43447, 463715), (66115, 304727), (66245, 304129), (92743, 217235)]