20820282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15991}}^1$

素因数の和:16034

約数の個数: 32

約数和(自身を含む): 49127424

約数和(自身を除く): 28307142

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15991, 31982, 47973, 95946, 111937, 223874, 335811, 495721, 671622, 991442, 1487163, 2974326, 3470047, 6940094, 10410141, 20820282]

約数ペア:

[(1, 20820282), (2, 10410141), (3, 6940094), (6, 3470047), (7, 2974326), (14, 1487163), (21, 991442), (31, 671622), (42, 495721), (62, 335811), (93, 223874), (186, 111937), (217, 95946), (434, 47973), (651, 31982), (1302, 15991)]