20458089

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 12473271

約数列:

[1, 3, 9, 17, 27, 51, 81, 83, 153, 179, 249, 459, 537, 747, 1377, 1411, 1611, 2241, 3043, 4233, 4833, 6723, 9129, 12699, 14499, 14857, 27387, 38097, 44571, 82161, 114291, 133713, 246483, 252569, 401139, 757707, 1203417, 2273121, 6819363, 20458089]

約数ペア:

[(1, 20458089), (3, 6819363), (9, 2273121), (17, 1203417), (27, 757707), (51, 401139), (81, 252569), (83, 246483), (153, 133713), (179, 114291), (249, 82161), (459, 44571), (537, 38097), (747, 27387), (1377, 14857), (1411, 14499), (1611, 12699), (2241, 9129), (3043, 6723), (4233, 4833)]