20496344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2617}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21915256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2617, 3916, 5234, 7832, 10468, 20936, 28787, 57574, 115148, 230296, 232913, 465826, 931652, 1863304, 2562043, 5124086, 10248172, 20496344]

約数ペア:

[(1, 20496344), (2, 10248172), (4, 5124086), (8, 2562043), (11, 1863304), (22, 931652), (44, 465826), (88, 232913), (89, 230296), (178, 115148), (356, 57574), (712, 28787), (979, 20936), (1958, 10468), (2617, 7832), (3916, 5234)]