20100916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12347}}^1$

素因数の和:12399

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 19313900

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12347, 24694, 49388, 135817, 271634, 456839, 543268, 913678, 1827356, 5025229, 10050458, 20100916]

約数ペア:

[(1, 20100916), (2, 10050458), (4, 5025229), (11, 1827356), (22, 913678), (37, 543268), (44, 456839), (74, 271634), (148, 135817), (407, 49388), (814, 24694), (1628, 12347)]