20536838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 17686522

約数列:

[1, 2, 7, 14, 23, 46, 47, 59, 94, 118, 161, 322, 329, 413, 529, 658, 826, 1058, 1081, 1357, 2162, 2714, 2773, 3703, 5546, 7406, 7567, 9499, 15134, 18998, 19411, 24863, 31211, 38822, 49726, 62422, 63779, 127558, 174041, 218477, 348082, 436954, 446453, 892906, 1466917, 2933834, 10268419, 20536838]

約数ペア:

[(1, 20536838), (2, 10268419), (7, 2933834), (14, 1466917), (23, 892906), (46, 446453), (47, 436954), (59, 348082), (94, 218477), (118, 174041), (161, 127558), (322, 63779), (329, 62422), (413, 49726), (529, 38822), (658, 31211), (826, 24863), (1058, 19411), (1081, 18998), (1357, 15134), (2162, 9499), (2714, 7567), (2773, 7406), (3703, 5546)]