20630932

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 42997248

約数和(自身を除く): 22366316

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 94, 122, 188, 244, 257, 329, 427, 514, 658, 854, 1028, 1316, 1708, 1799, 2867, 3598, 5734, 7196, 11468, 12079, 15677, 20069, 24158, 31354, 40138, 48316, 62708, 80276, 84553, 109739, 169106, 219478, 338212, 438956, 736819, 1473638, 2947276, 5157733, 10315466, 20630932]

約数ペア:

[(1, 20630932), (2, 10315466), (4, 5157733), (7, 2947276), (14, 1473638), (28, 736819), (47, 438956), (61, 338212), (94, 219478), (122, 169106), (188, 109739), (244, 84553), (257, 80276), (329, 62708), (427, 48316), (514, 40138), (658, 31354), (854, 24158), (1028, 20069), (1316, 15677), (1708, 12079), (1799, 11468), (2867, 7196), (3598, 5734)]