20807130945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1\times {\mathrm{1933}}^1$

素因数の和:2350

約数の個数: 64

約数和(自身を含む): 35424691200

約数和(自身を除く): 14617560255

約数列:

[1, 3, 5, 15, 19, 57, 95, 179, 211, 285, 537, 633, 895, 1055, 1933, 2685, 3165, 3401, 4009, 5799, 9665, 10203, 12027, 17005, 20045, 28995, 36727, 37769, 51015, 60135, 110181, 113307, 183635, 188845, 346007, 407863, 550905, 566535, 717611, 1038021, 1223589, 1730035, 2039315, 2152833, 3588055, 5190105, 6117945, 6574133, 7749397, 10764165, 19722399, 23248191, 32870665, 38746985, 73007477, 98611995, 116240955, 219022431, 365037385, 1095112155, 1387142063, 4161426189, 6935710315, 20807130945]

約数ペア:

[(1, 20807130945), (3, 6935710315), (5, 4161426189), (15, 1387142063), (19, 1095112155), (57, 365037385), (95, 219022431), (179, 116240955), (211, 98611995), (285, 73007477), (537, 38746985), (633, 32870665), (895, 23248191), (1055, 19722399), (1933, 10764165), (2685, 7749397), (3165, 6574133), (3401, 6117945), (4009, 5190105), (5799, 3588055), (9665, 2152833), (10203, 2039315), (12027, 1730035), (17005, 1223589), (20045, 1038021), (28995, 717611), (36727, 566535), (37769, 550905), (51015, 407863), (60135, 346007), (110181, 188845), (113307, 183635)]