20129774290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{9803}}^1$

素因数の和:10131

約数の個数: 64

約数和(自身を含む): 39337726464

約数和(自身を除く): 19207952174

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 257, 470, 514, 799, 1285, 1598, 2570, 3995, 4369, 7990, 8738, 9803, 12079, 19606, 21845, 24158, 43690, 49015, 60395, 98030, 120790, 166651, 205343, 333302, 410686, 460741, 833255, 921482, 1026715, 1666510, 2053430, 2303705, 2519371, 4607410, 5038742, 7832597, 12596855, 15665194, 25193710, 39162985, 42829307, 78325970, 85658614, 118410437, 214146535, 236820874, 428293070, 592052185, 1184104370, 2012977429, 4025954858, 10064887145, 20129774290]

約数ペア:

[(1, 20129774290), (2, 10064887145), (5, 4025954858), (10, 2012977429), (17, 1184104370), (34, 592052185), (47, 428293070), (85, 236820874), (94, 214146535), (170, 118410437), (235, 85658614), (257, 78325970), (470, 42829307), (514, 39162985), (799, 25193710), (1285, 15665194), (1598, 12596855), (2570, 7832597), (3995, 5038742), (4369, 4607410), (7990, 2519371), (8738, 2303705), (9803, 2053430), (12079, 1666510), (19606, 1026715), (21845, 921482), (24158, 833255), (43690, 460741), (49015, 410686), (60395, 333302), (98030, 205343), (120790, 166651)]