20164555845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{243401}}^1$

素因数の和:243682

約数の個数: 48

約数和(自身を含む): 40097071872

約数和(自身を除く): 19932516027

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 263, 315, 789, 1315, 1841, 2367, 3945, 5523, 9205, 11835, 16569, 27615, 82845, 243401, 730203, 1217005, 1703807, 2190609, 3651015, 5111421, 8519035, 10953045, 15334263, 25557105, 64014463, 76671315, 192043389, 320072315, 448101241, 576130167, 960216945, 1344303723, 2240506205, 2880650835, 4032911169, 6721518615, 20164555845]

約数ペア:

[(1, 20164555845), (3, 6721518615), (5, 4032911169), (7, 2880650835), (9, 2240506205), (15, 1344303723), (21, 960216945), (35, 576130167), (45, 448101241), (63, 320072315), (105, 192043389), (263, 76671315), (315, 64014463), (789, 25557105), (1315, 15334263), (1841, 10953045), (2367, 8519035), (3945, 5111421), (5523, 3651015), (9205, 2190609), (11835, 1703807), (16569, 1217005), (27615, 730203), (82845, 243401)]