20783538

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15817}}^1$

素因数の和:15898

約数の個数: 24

約数和(自身を含む): 45650748

約数和(自身を除く): 24867210

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15817, 31634, 47451, 94902, 142353, 284706, 1154641, 2309282, 3463923, 6927846, 10391769, 20783538]

約数ペア:

[(1, 20783538), (2, 10391769), (3, 6927846), (6, 3463923), (9, 2309282), (18, 1154641), (73, 284706), (146, 142353), (219, 94902), (438, 47451), (657, 31634), (1314, 15817)]