20511331328

素因数分解:

$2^{10}\times {\mathrm{97}}^1\times {\mathrm{206501}}^1$

素因数の和:206618

約数の個数: 44

約数和(自身を含む): 41425540212

約数和(自身を除く): 20914208884

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 512, 776, 1024, 1552, 3104, 6208, 12416, 24832, 49664, 99328, 206501, 413002, 826004, 1652008, 3304016, 6608032, 13216064, 20030597, 26432128, 40061194, 52864256, 80122388, 105728512, 160244776, 211457024, 320489552, 640979104, 1281958208, 2563916416, 5127832832, 10255665664, 20511331328]

約数ペア:

[(1, 20511331328), (2, 10255665664), (4, 5127832832), (8, 2563916416), (16, 1281958208), (32, 640979104), (64, 320489552), (97, 211457024), (128, 160244776), (194, 105728512), (256, 80122388), (388, 52864256), (512, 40061194), (776, 26432128), (1024, 20030597), (1552, 13216064), (3104, 6608032), (6208, 3304016), (12416, 1652008), (24832, 826004), (49664, 413002), (99328, 206501)]