20198970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2267}}^1$

素因数の和:2297

約数の個数: 80

約数和(自身を含む): 59276448

約数和(自身を除く): 39077478

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2267, 2970, 4455, 4534, 6801, 8910, 11335, 13602, 20403, 22670, 24937, 34005, 40806, 49874, 61209, 68010, 74811, 102015, 122418, 124685, 149622, 183627, 204030, 224433, 249370, 306045, 367254, 374055, 448866, 612090, 673299, 748110, 918135, 1122165, 1346598, 1836270, 2019897, 2244330, 3366495, 4039794, 6732990, 10099485, 20198970]

約数ペア:

[(1, 20198970), (2, 10099485), (3, 6732990), (5, 4039794), (6, 3366495), (9, 2244330), (10, 2019897), (11, 1836270), (15, 1346598), (18, 1122165), (22, 918135), (27, 748110), (30, 673299), (33, 612090), (45, 448866), (54, 374055), (55, 367254), (66, 306045), (81, 249370), (90, 224433), (99, 204030), (110, 183627), (135, 149622), (162, 124685), (165, 122418), (198, 102015), (270, 74811), (297, 68010), (330, 61209), (405, 49874), (495, 40806), (594, 34005), (810, 24937), (891, 22670), (990, 20403), (1485, 13602), (1782, 11335), (2267, 8910), (2970, 6801), (4455, 4534)]