20176906240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1970401}}^1$

素因数の和:1970428

約数の個数: 48

約数和(自身を含む): 48412777140

約数和(自身を除く): 28235870900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 1970401, 3940802, 7881604, 9852005, 15763208, 19704010, 31526416, 39408020, 63052832, 78816040, 126105664, 157632080, 252211328, 315264160, 504422656, 630528320, 1008845312, 1261056640, 2017690624, 2522113280, 4035381248, 5044226560, 10088453120, 20176906240]

約数ペア:

[(1, 20176906240), (2, 10088453120), (4, 5044226560), (5, 4035381248), (8, 2522113280), (10, 2017690624), (16, 1261056640), (20, 1008845312), (32, 630528320), (40, 504422656), (64, 315264160), (80, 252211328), (128, 157632080), (160, 126105664), (256, 78816040), (320, 63052832), (512, 39408020), (640, 31526416), (1024, 19704010), (1280, 15763208), (2048, 9852005), (2560, 7881604), (5120, 3940802), (10240, 1970401)]