20121608475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4706809}}^1$

素因数の和:4706844

約数の個数: 36

約数和(自身を含む): 37936888600

約数和(自身を除く): 17815280125

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4706809, 14120427, 23534045, 42361281, 70602135, 89429371, 117670225, 211806405, 268288113, 353010675, 447146855, 804864339, 1059032025, 1341440565, 2235734275, 4024321695, 6707202825, 20121608475]

約数ペア:

[(1, 20121608475), (3, 6707202825), (5, 4024321695), (9, 2235734275), (15, 1341440565), (19, 1059032025), (25, 804864339), (45, 447146855), (57, 353010675), (75, 268288113), (95, 211806405), (171, 117670225), (225, 89429371), (285, 70602135), (475, 42361281), (855, 23534045), (1425, 14120427), (4275, 4706809)]