20168964904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{941}}^1\times {\mathrm{1613}}^1$

素因数の和:2722

約数の個数: 64

約数和(自身を含む): 41597815680

約数和(自身を除く): 21428850776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 941, 1208, 1613, 1661, 1882, 3226, 3322, 3764, 6452, 6644, 7528, 10351, 12904, 13288, 17743, 20702, 35486, 41404, 70972, 82808, 141944, 142091, 243563, 284182, 487126, 568364, 974252, 1136728, 1517833, 1563001, 1948504, 2679193, 3035666, 3126002, 5358386, 6071332, 6252004, 10716772, 12142664, 12504008, 16696163, 21433544, 33392326, 66784652, 133569304, 229192783, 458385566, 916771132, 1833542264, 2521120613, 5042241226, 10084482452, 20168964904]

約数ペア:

[(1, 20168964904), (2, 10084482452), (4, 5042241226), (8, 2521120613), (11, 1833542264), (22, 916771132), (44, 458385566), (88, 229192783), (151, 133569304), (302, 66784652), (604, 33392326), (941, 21433544), (1208, 16696163), (1613, 12504008), (1661, 12142664), (1882, 10716772), (3226, 6252004), (3322, 6071332), (3764, 5358386), (6452, 3126002), (6644, 3035666), (7528, 2679193), (10351, 1948504), (12904, 1563001), (13288, 1517833), (17743, 1136728), (20702, 974252), (35486, 568364), (41404, 487126), (70972, 284182), (82808, 243563), (141944, 142091)]