20821218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5347}}^1$

素因数の和:5422

約数の個数: 32

約数和(自身を含む): 46206720

約数和(自身を除く): 25385502

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 177, 354, 649, 1298, 1947, 3894, 5347, 10694, 16041, 32082, 58817, 117634, 176451, 315473, 352902, 630946, 946419, 1892838, 3470203, 6940406, 10410609, 20821218]

約数ペア:

[(1, 20821218), (2, 10410609), (3, 6940406), (6, 3470203), (11, 1892838), (22, 946419), (33, 630946), (59, 352902), (66, 315473), (118, 176451), (177, 117634), (354, 58817), (649, 32082), (1298, 16041), (1947, 10694), (3894, 5347)]