20406246

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 28622874

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 434, 651, 1302, 1519, 2239, 3038, 4478, 4557, 6717, 9114, 13434, 15673, 31346, 47019, 69409, 94038, 109711, 138818, 208227, 219422, 329133, 416454, 485863, 658266, 971726, 1457589, 2915178, 3401041, 6802082, 10203123, 20406246]

約数ペア:

[(1, 20406246), (2, 10203123), (3, 6802082), (6, 3401041), (7, 2915178), (14, 1457589), (21, 971726), (31, 658266), (42, 485863), (49, 416454), (62, 329133), (93, 219422), (98, 208227), (147, 138818), (186, 109711), (217, 94038), (294, 69409), (434, 47019), (651, 31346), (1302, 15673), (1519, 13434), (2239, 9114), (3038, 6717), (4478, 4557)]