16629820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 36435168

約数和(自身を除く): 19805348

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 317, 430, 610, 634, 860, 1220, 1268, 1585, 2623, 3170, 5246, 6340, 10492, 13115, 13631, 19337, 26230, 27262, 38674, 52460, 54524, 68155, 77348, 96685, 136310, 193370, 272620, 386740, 831491, 1662982, 3325964, 4157455, 8314910, 16629820]

約数ペア:

[(1, 16629820), (2, 8314910), (4, 4157455), (5, 3325964), (10, 1662982), (20, 831491), (43, 386740), (61, 272620), (86, 193370), (122, 136310), (172, 96685), (215, 77348), (244, 68155), (305, 54524), (317, 52460), (430, 38674), (610, 27262), (634, 26230), (860, 19337), (1220, 13631), (1268, 13115), (1585, 10492), (2623, 6340), (3170, 5246)]