20565209856

素因数分解:

$2^8\times 3^1\times {\mathrm{223}}^1\times {\mathrm{120079}}^1$

素因数の和:120321

約数の個数: 72

約数和(自身を含む): 54979348480

約数和(自身を除く): 34414138624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 223, 256, 384, 446, 669, 768, 892, 1338, 1784, 2676, 3568, 5352, 7136, 10704, 14272, 21408, 28544, 42816, 57088, 85632, 120079, 171264, 240158, 360237, 480316, 720474, 960632, 1440948, 1921264, 2881896, 3842528, 5763792, 7685056, 11527584, 15370112, 23055168, 26777617, 30740224, 46110336, 53555234, 80332851, 92220672, 107110468, 160665702, 214220936, 321331404, 428441872, 642662808, 856883744, 1285325616, 1713767488, 2570651232, 3427534976, 5141302464, 6855069952, 10282604928, 20565209856]

約数ペア:

[(1, 20565209856), (2, 10282604928), (3, 6855069952), (4, 5141302464), (6, 3427534976), (8, 2570651232), (12, 1713767488), (16, 1285325616), (24, 856883744), (32, 642662808), (48, 428441872), (64, 321331404), (96, 214220936), (128, 160665702), (192, 107110468), (223, 92220672), (256, 80332851), (384, 53555234), (446, 46110336), (669, 30740224), (768, 26777617), (892, 23055168), (1338, 15370112), (1784, 11527584), (2676, 7685056), (3568, 5763792), (5352, 3842528), (7136, 2881896), (10704, 1921264), (14272, 1440948), (21408, 960632), (28544, 720474), (42816, 480316), (57088, 360237), (85632, 240158), (120079, 171264)]