20160987020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1711459}}^1$

素因数の和:1711518

約数の個数: 48

約数和(自身を含む): 46004044800

約数和(自身を除く): 25843057780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 1711459, 3422918, 6845836, 8557295, 17114590, 32517721, 34229180, 53055229, 65035442, 106110458, 130070884, 162588605, 212220916, 265276145, 325177210, 530552290, 650354420, 1008049351, 1061104580, 2016098702, 4032197404, 5040246755, 10080493510, 20160987020]

約数ペア:

[(1, 20160987020), (2, 10080493510), (4, 5040246755), (5, 4032197404), (10, 2016098702), (19, 1061104580), (20, 1008049351), (31, 650354420), (38, 530552290), (62, 325177210), (76, 265276145), (95, 212220916), (124, 162588605), (155, 130070884), (190, 106110458), (310, 65035442), (380, 53055229), (589, 34229180), (620, 32517721), (1178, 17114590), (2356, 8557295), (2945, 6845836), (5890, 3422918), (11780, 1711459)]