20648418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15859}}^1$

素因数の和:15902

約数の個数: 32

約数和(自身を含む): 48721920

約数和(自身を除く): 28073502

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15859, 31718, 47577, 95154, 111013, 222026, 333039, 491629, 666078, 983258, 1474887, 2949774, 3441403, 6882806, 10324209, 20648418]

約数ペア:

[(1, 20648418), (2, 10324209), (3, 6882806), (6, 3441403), (7, 2949774), (14, 1474887), (21, 983258), (31, 666078), (42, 491629), (62, 333039), (93, 222026), (186, 111013), (217, 95154), (434, 47577), (651, 31718), (1302, 15859)]