20909266

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 16599854

約数列:

[1, 2, 7, 14, 43, 47, 86, 94, 301, 329, 602, 658, 739, 1478, 2021, 4042, 5173, 10346, 14147, 28294, 31777, 34733, 63554, 69466, 222439, 243131, 444878, 486262, 1493519, 2987038, 10454633, 20909266]

約数ペア:

[(1, 20909266), (2, 10454633), (7, 2987038), (14, 1493519), (43, 486262), (47, 444878), (86, 243131), (94, 222439), (301, 69466), (329, 63554), (602, 34733), (658, 31777), (739, 28294), (1478, 14147), (2021, 10346), (4042, 5173)]