20634705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5039}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23394735

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5039, 15117, 25195, 35273, 45351, 65507, 75585, 105819, 176365, 196521, 226755, 317457, 327535, 458549, 529095, 589563, 982605, 1375647, 1587285, 2292745, 2947815, 4126941, 6878235, 20634705]

約数ペア:

[(1, 20634705), (3, 6878235), (5, 4126941), (7, 2947815), (9, 2292745), (13, 1587285), (15, 1375647), (21, 982605), (35, 589563), (39, 529095), (45, 458549), (63, 327535), (65, 317457), (91, 226755), (105, 196521), (117, 176365), (195, 105819), (273, 75585), (315, 65507), (455, 45351), (585, 35273), (819, 25195), (1365, 15117), (4095, 5039)]