20542725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13043}}^1$

素因数の和:13066

約数の個数: 36

約数和(自身を含む): 42053856

約数和(自身を除く): 21511131

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13043, 39129, 65215, 91301, 117387, 195645, 273903, 326075, 456505, 586935, 821709, 978225, 1369515, 2282525, 2934675, 4108545, 6847575, 20542725]

約数ペア:

[(1, 20542725), (3, 6847575), (5, 4108545), (7, 2934675), (9, 2282525), (15, 1369515), (21, 978225), (25, 821709), (35, 586935), (45, 456505), (63, 326075), (75, 273903), (105, 195645), (175, 117387), (225, 91301), (315, 65215), (525, 39129), (1575, 13043)]