20877744

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18911}}^1$

素因数の和:18945

約数の個数: 40

約数和(自身を含む): 56282112

約数和(自身を除く): 35404368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18911, 37822, 56733, 75644, 113466, 151288, 226932, 302576, 434953, 453864, 869906, 907728, 1304859, 1739812, 2609718, 3479624, 5219436, 6959248, 10438872, 20877744]

約数ペア:

[(1, 20877744), (2, 10438872), (3, 6959248), (4, 5219436), (6, 3479624), (8, 2609718), (12, 1739812), (16, 1304859), (23, 907728), (24, 869906), (46, 453864), (48, 434953), (69, 302576), (92, 226932), (138, 151288), (184, 113466), (276, 75644), (368, 56733), (552, 37822), (1104, 18911)]