20468266

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 39106368

約数和(自身を除く): 18638102

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 169, 182, 211, 287, 338, 422, 533, 574, 1066, 1183, 1477, 2366, 2743, 2954, 3731, 5486, 6929, 7462, 8651, 13858, 17302, 19201, 35659, 38402, 48503, 60557, 71318, 97006, 112463, 121114, 224926, 249613, 499226, 787241, 1462019, 1574482, 2924038, 10234133, 20468266]

約数ペア:

[(1, 20468266), (2, 10234133), (7, 2924038), (13, 1574482), (14, 1462019), (26, 787241), (41, 499226), (82, 249613), (91, 224926), (169, 121114), (182, 112463), (211, 97006), (287, 71318), (338, 60557), (422, 48503), (533, 38402), (574, 35659), (1066, 19201), (1183, 17302), (1477, 13858), (2366, 8651), (2743, 7462), (2954, 6929), (3731, 5486)]