20083176560

素因数分解:

$2^4\times 5^1\times {\mathrm{839}}^1\times {\mathrm{299213}}^1$

素因数の和:300065

約数の個数: 40

約数和(自身を含む): 46749195360

約数和(自身を除く): 26666018800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 839, 1678, 3356, 4195, 6712, 8390, 13424, 16780, 33560, 67120, 299213, 598426, 1196852, 1496065, 2393704, 2992130, 4787408, 5984260, 11968520, 23937040, 251039707, 502079414, 1004158828, 1255198535, 2008317656, 2510397070, 4016635312, 5020794140, 10041588280, 20083176560]

約数ペア:

[(1, 20083176560), (2, 10041588280), (4, 5020794140), (5, 4016635312), (8, 2510397070), (10, 2008317656), (16, 1255198535), (20, 1004158828), (40, 502079414), (80, 251039707), (839, 23937040), (1678, 11968520), (3356, 5984260), (4195, 4787408), (6712, 2992130), (8390, 2393704), (13424, 1496065), (16780, 1196852), (33560, 598426), (67120, 299213)]