20785098736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{69959}}^1$

素因数の和:70597

約数の個数: 40

約数和(自身を含む): 41640192000

約数和(自身を除く): 20855093264

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 599, 1198, 2396, 4792, 9584, 18569, 37138, 69959, 74276, 139918, 148552, 279836, 297104, 559672, 1119344, 2168729, 4337458, 8674916, 17349832, 34699664, 41905441, 83810882, 167621764, 335243528, 670487056, 1299068671, 2598137342, 5196274684, 10392549368, 20785098736]

約数ペア:

[(1, 20785098736), (2, 10392549368), (4, 5196274684), (8, 2598137342), (16, 1299068671), (31, 670487056), (62, 335243528), (124, 167621764), (248, 83810882), (496, 41905441), (599, 34699664), (1198, 17349832), (2396, 8674916), (4792, 4337458), (9584, 2168729), (18569, 1119344), (37138, 559672), (69959, 297104), (74276, 279836), (139918, 148552)]