20411818

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 36347904

約数和(自身を除く): 15936086

約数列:

[1, 2, 7, 14, 47, 67, 94, 134, 329, 463, 469, 658, 926, 938, 3149, 3241, 6298, 6482, 21761, 22043, 31021, 43522, 44086, 62042, 152327, 217147, 304654, 434294, 1457987, 2915974, 10205909, 20411818]

約数ペア:

[(1, 20411818), (2, 10205909), (7, 2915974), (14, 1457987), (47, 434294), (67, 304654), (94, 217147), (134, 152327), (329, 62042), (463, 44086), (469, 43522), (658, 31021), (926, 22043), (938, 21761), (3149, 6482), (3241, 6298)]