20486865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3307}}^1$

素因数の和:3381

約数の個数: 32

約数和(自身を含む): 38108160

約数和(自身を除く): 17621295

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 3307, 6195, 9921, 16535, 23149, 49605, 69447, 115745, 195113, 347235, 585339, 975565, 1365791, 2926695, 4097373, 6828955, 20486865]

約数ペア:

[(1, 20486865), (3, 6828955), (5, 4097373), (7, 2926695), (15, 1365791), (21, 975565), (35, 585339), (59, 347235), (105, 195113), (177, 115745), (295, 69447), (413, 49605), (885, 23149), (1239, 16535), (2065, 9921), (3307, 6195)]