20160642700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{941}}^1\times {\mathrm{19477}}^1$

素因数の和:20443

約数の個数: 72

約数和(自身を含む): 47778910704

約数和(自身を除く): 27618268004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 941, 1100, 1882, 3764, 4705, 9410, 10351, 18820, 19477, 20702, 23525, 38954, 41404, 47050, 51755, 77908, 94100, 97385, 103510, 194770, 207020, 214247, 258775, 389540, 428494, 486925, 517550, 856988, 973850, 1035100, 1071235, 1947700, 2142470, 4284940, 5356175, 10712350, 18327857, 21424700, 36655714, 73311428, 91639285, 183278570, 201606427, 366557140, 403212854, 458196425, 806425708, 916392850, 1008032135, 1832785700, 2016064270, 4032128540, 5040160675, 10080321350, 20160642700]

約数ペア:

[(1, 20160642700), (2, 10080321350), (4, 5040160675), (5, 4032128540), (10, 2016064270), (11, 1832785700), (20, 1008032135), (22, 916392850), (25, 806425708), (44, 458196425), (50, 403212854), (55, 366557140), (100, 201606427), (110, 183278570), (220, 91639285), (275, 73311428), (550, 36655714), (941, 21424700), (1100, 18327857), (1882, 10712350), (3764, 5356175), (4705, 4284940), (9410, 2142470), (10351, 1947700), (18820, 1071235), (19477, 1035100), (20702, 973850), (23525, 856988), (38954, 517550), (41404, 486925), (47050, 428494), (51755, 389540), (77908, 258775), (94100, 214247), (97385, 207020), (103510, 194770)]