20207704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{829}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 41533200

約数和(自身を除く): 21325496

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 829, 1108, 1658, 2216, 3047, 3316, 6094, 6632, 9119, 12188, 18238, 24376, 36476, 72952, 229633, 459266, 918532, 1837064, 2525963, 5051926, 10103852, 20207704]

約数ペア:

[(1, 20207704), (2, 10103852), (4, 5051926), (8, 2525963), (11, 1837064), (22, 918532), (44, 459266), (88, 229633), (277, 72952), (554, 36476), (829, 24376), (1108, 18238), (1658, 12188), (2216, 9119), (3047, 6632), (3316, 6094)]