20479724032

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{3089}}^1$

素因数の和:3693

約数の個数: 80

約数和(自身を含む): 42788243520

約数和(自身を除く): 22308519488

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 563, 736, 1126, 1472, 2252, 2944, 3089, 4504, 5888, 6178, 9008, 11776, 12356, 12949, 18016, 24712, 25898, 36032, 49424, 51796, 71047, 72064, 98848, 103592, 142094, 144128, 197696, 207184, 284188, 288256, 395392, 414368, 568376, 790784, 828736, 1136752, 1581568, 1657472, 1739107, 2273504, 3314944, 3478214, 4547008, 6629888, 6956428, 9094016, 13912856, 18188032, 27825712, 36376064, 39999461, 55651424, 79998922, 111302848, 159997844, 222605696, 319995688, 445211392, 639991376, 890422784, 1279982752, 2559965504, 5119931008, 10239862016, 20479724032]

約数ペア:

[(1, 20479724032), (2, 10239862016), (4, 5119931008), (8, 2559965504), (16, 1279982752), (23, 890422784), (32, 639991376), (46, 445211392), (64, 319995688), (92, 222605696), (128, 159997844), (184, 111302848), (256, 79998922), (368, 55651424), (512, 39999461), (563, 36376064), (736, 27825712), (1126, 18188032), (1472, 13912856), (2252, 9094016), (2944, 6956428), (3089, 6629888), (4504, 4547008), (5888, 3478214), (6178, 3314944), (9008, 2273504), (11776, 1739107), (12356, 1657472), (12949, 1581568), (18016, 1136752), (24712, 828736), (25898, 790784), (36032, 568376), (49424, 414368), (51796, 395392), (71047, 288256), (72064, 284188), (98848, 207184), (103592, 197696), (142094, 144128)]