20186748

素因数分解:

$2^2\times 3^2\times {\mathrm{683}}^1\times {\mathrm{821}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 51164568

約数和(自身を除く): 30977820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 683, 821, 1366, 1642, 2049, 2463, 2732, 3284, 4098, 4926, 6147, 7389, 8196, 9852, 12294, 14778, 24588, 29556, 560743, 1121486, 1682229, 2242972, 3364458, 5046687, 6728916, 10093374, 20186748]

約数ペア:

[(1, 20186748), (2, 10093374), (3, 6728916), (4, 5046687), (6, 3364458), (9, 2242972), (12, 1682229), (18, 1121486), (36, 560743), (683, 29556), (821, 24588), (1366, 14778), (1642, 12294), (2049, 9852), (2463, 8196), (2732, 7389), (3284, 6147), (4098, 4926)]