20161172900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1867}}^1\times {\mathrm{9817}}^1$

素因数の和:11709

約数の個数: 72

約数和(自身を含む): 47757422496

約数和(自身を除く): 27596249596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1867, 3734, 7468, 9335, 9817, 18670, 19634, 20537, 37340, 39268, 41074, 46675, 49085, 82148, 93350, 98170, 102685, 107987, 186700, 196340, 205370, 215974, 245425, 410740, 431948, 490850, 513425, 539935, 981700, 1026850, 1079870, 2053700, 2159740, 2699675, 5399350, 10798700, 18328339, 36656678, 73313356, 91641695, 183283390, 201611729, 366566780, 403223458, 458208475, 806446916, 916416950, 1008058645, 1832833900, 2016117290, 4032234580, 5040293225, 10080586450, 20161172900]

約数ペア:

[(1, 20161172900), (2, 10080586450), (4, 5040293225), (5, 4032234580), (10, 2016117290), (11, 1832833900), (20, 1008058645), (22, 916416950), (25, 806446916), (44, 458208475), (50, 403223458), (55, 366566780), (100, 201611729), (110, 183283390), (220, 91641695), (275, 73313356), (550, 36656678), (1100, 18328339), (1867, 10798700), (3734, 5399350), (7468, 2699675), (9335, 2159740), (9817, 2053700), (18670, 1079870), (19634, 1026850), (20537, 981700), (37340, 539935), (39268, 513425), (41074, 490850), (46675, 431948), (49085, 410740), (82148, 245425), (93350, 215974), (98170, 205370), (102685, 196340), (107987, 186700)]