20949830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{839}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20418490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 839, 1135, 1678, 2270, 2497, 4195, 4994, 8390, 9229, 12485, 18458, 24970, 46145, 92290, 190453, 380906, 952265, 1904530, 2094983, 4189966, 10474915, 20949830]

約数ペア:

[(1, 20949830), (2, 10474915), (5, 4189966), (10, 2094983), (11, 1904530), (22, 952265), (55, 380906), (110, 190453), (227, 92290), (454, 46145), (839, 24970), (1135, 18458), (1678, 12485), (2270, 9229), (2497, 8390), (4195, 4994)]