20161443940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6361}}^1\times {\mathrm{14407}}^1$

素因数の和:20788

約数の個数: 48

約数和(自身を含む): 46198502784

約数和(自身を除く): 26037058844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6361, 12722, 14407, 25444, 28814, 31805, 57628, 63610, 69971, 72035, 127220, 139942, 144070, 158477, 279884, 288140, 316954, 349855, 633908, 699710, 792385, 1399420, 1584770, 3169540, 91642927, 183285854, 366571708, 458214635, 916429270, 1008072197, 1832858540, 2016144394, 4032288788, 5040360985, 10080721970, 20161443940]

約数ペア:

[(1, 20161443940), (2, 10080721970), (4, 5040360985), (5, 4032288788), (10, 2016144394), (11, 1832858540), (20, 1008072197), (22, 916429270), (44, 458214635), (55, 366571708), (110, 183285854), (220, 91642927), (6361, 3169540), (12722, 1584770), (14407, 1399420), (25444, 792385), (28814, 699710), (31805, 633908), (57628, 349855), (63610, 316954), (69971, 288140), (72035, 279884), (127220, 158477), (139942, 144070)]