20210449546

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{10343}}^1$

素因数の和:10643

約数の個数: 48

約数和(自身を含む): 35772696576

約数和(自身を除く): 15562247030

約数列:

[1, 2, 7, 14, 49, 98, 127, 157, 254, 314, 889, 1099, 1778, 2198, 6223, 7693, 10343, 12446, 15386, 19939, 20686, 39878, 72401, 139573, 144802, 279146, 506807, 977011, 1013614, 1313561, 1623851, 1954022, 2627122, 3247702, 9194927, 11366957, 18389854, 22733914, 64364489, 79568699, 128728978, 159137398, 206229077, 412458154, 1443603539, 2887207078, 10105224773, 20210449546]

約数ペア:

[(1, 20210449546), (2, 10105224773), (7, 2887207078), (14, 1443603539), (49, 412458154), (98, 206229077), (127, 159137398), (157, 128728978), (254, 79568699), (314, 64364489), (889, 22733914), (1099, 18389854), (1778, 11366957), (2198, 9194927), (6223, 3247702), (7693, 2627122), (10343, 1954022), (12446, 1623851), (15386, 1313561), (19939, 1013614), (20686, 977011), (39878, 506807), (72401, 279146), (139573, 144802)]