20178051328

素因数分解:

$2^8\times {\mathrm{557}}^1\times {\mathrm{141509}}^1$

素因数の和:142082

約数の個数: 36

約数和(自身を含む): 40349878380

約数和(自身を除く): 20171827052

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 557, 1114, 2228, 4456, 8912, 17824, 35648, 71296, 141509, 142592, 283018, 566036, 1132072, 2264144, 4528288, 9056576, 18113152, 36226304, 78820513, 157641026, 315282052, 630564104, 1261128208, 2522256416, 5044512832, 10089025664, 20178051328]

約数ペア:

[(1, 20178051328), (2, 10089025664), (4, 5044512832), (8, 2522256416), (16, 1261128208), (32, 630564104), (64, 315282052), (128, 157641026), (256, 78820513), (557, 36226304), (1114, 18113152), (2228, 9056576), (4456, 4528288), (8912, 2264144), (17824, 1132072), (35648, 566036), (71296, 283018), (141509, 142592)]