20090714

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 37048320

約数和(自身を除く): 16957606

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1607, 1786, 3214, 6251, 11249, 12502, 22498, 30533, 61066, 75529, 151058, 213731, 427462, 528703, 1057406, 1435051, 2870102, 10045357, 20090714]

約数ペア:

[(1, 20090714), (2, 10045357), (7, 2870102), (14, 1435051), (19, 1057406), (38, 528703), (47, 427462), (94, 213731), (133, 151058), (266, 75529), (329, 61066), (658, 30533), (893, 22498), (1607, 12502), (1786, 11249), (3214, 6251)]