20149448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{571}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 41389920

約数和(自身を除く): 21240472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 571, 802, 1142, 1604, 2284, 3208, 4411, 4568, 6281, 8822, 12562, 17644, 25124, 35288, 50248, 228971, 457942, 915884, 1831768, 2518681, 5037362, 10074724, 20149448]

約数ペア:

[(1, 20149448), (2, 10074724), (4, 5037362), (8, 2518681), (11, 1831768), (22, 915884), (44, 457942), (88, 228971), (401, 50248), (571, 35288), (802, 25124), (1142, 17644), (1604, 12562), (2284, 8822), (3208, 6281), (4411, 4568)]