20444931

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 35511840

約数和(自身を除く): 15066909

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 541, 663, 741, 969, 1623, 1989, 2223, 2907, 4199, 4869, 7033, 9197, 10279, 12597, 21099, 27591, 30837, 37791, 63297, 82773, 92511, 119561, 133627, 174743, 358683, 400881, 524229, 1076049, 1202643, 1572687, 2271659, 6814977, 20444931]

約数ペア:

[(1, 20444931), (3, 6814977), (9, 2271659), (13, 1572687), (17, 1202643), (19, 1076049), (39, 524229), (51, 400881), (57, 358683), (117, 174743), (153, 133627), (171, 119561), (221, 92511), (247, 82773), (323, 63297), (541, 37791), (663, 30837), (741, 27591), (969, 21099), (1623, 12597), (1989, 10279), (2223, 9197), (2907, 7033), (4199, 4869)]