20081642

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 35512320

約数和(自身を除く): 15430678

約数列:

[1, 2, 7, 14, 67, 79, 134, 158, 271, 469, 542, 553, 938, 1106, 1897, 3794, 5293, 10586, 18157, 21409, 36314, 37051, 42818, 74102, 127099, 149863, 254198, 299726, 1434403, 2868806, 10040821, 20081642]

約数ペア:

[(1, 20081642), (2, 10040821), (7, 2868806), (14, 1434403), (67, 299726), (79, 254198), (134, 149863), (158, 127099), (271, 74102), (469, 42818), (542, 37051), (553, 36314), (938, 21409), (1106, 18157), (1897, 10586), (3794, 5293)]